├── README.md
├── P1_CO2_plexi_v10.eps
├── CO2-Ampel-DIY-Octopus-SCD30.ino
├── co2_logger_octi_scd30.ino
├── co2_logger_rtc.ino
├── CO2-Ampel-DIY-Octopus-SCD30-OLED.ino
├── CO2-Ampel-DIY-Octopus-SCD30-OLEDflckerfree.ino
├── CO2-Ampel-DIY-Octopus-SCD30-Neo-OLEDflickerfree.ino
├── CO2-Ampel-DIY-Octopus-SCD30-WEB-AP-CAL.ino
├── QT_RP2040_CO2_NEO_BME_LCD_RING.ino
├── co2_epaper_webserver.ino
├── CO2-Ampel-DIY-Octopus-SCD30.abp
├── co2_esp8266_feather_scd30_neo_web.abp
└── CO2-Ampel-DIY-Octopus-SCD30-WEB-AP-CAL.abp


/README.md:
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1 | # CO2-Ampel
2 | 


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/P1_CO2_plexi_v10.eps:
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https://raw.githubusercontent.com/make-IoT/CO2-Ampel/HEAD/P1_CO2_plexi_v10.eps


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/CO2-Ampel-DIY-Octopus-SCD30.ino:
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 1 | /* This program is distributed in the hope that it will be useful,
 2 |  but WITHOUT ANY WARRANTY; without even the implied warranty of
 3 |  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 4 |  GNU General Public License for more details. */
 5 | #include <SparkFun_SCD30_Arduino_Library.h>
 6 | #include <Wire.h>
 7 | #include <ESP8266WiFi.h>
 8 | 
 9 | int CO2 = 0 ;
10 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
11 | 
12 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
13 | 
14 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
15 | 
16 | void setup(){ // Einmalige Initialisierung
17 |   WiFi.forceSleepBegin(); // Wifi off
18 |   pinMode( 12 , OUTPUT);
19 |   pinMode( 13 , OUTPUT);
20 |   pinMode( 14 , OUTPUT);
21 |   Wire.begin(); // ---- Initialisiere den I2C-Bus 
22 | 
23 |   if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
24 | 
25 |   if (airSensorSCD30.begin() == false) {
26 |     Serial.println("The SCD30 did not respond. Please check wiring."); 
27 |     while(1) {
28 |       yield(); 
29 |       delay(1);
30 |     } 
31 |   }
32 | 
33 |   airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
34 | 
35 |   airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
36 | 
37 |   Serial.begin(115200);
38 |   Serial.println();
39 |   digitalWrite( 12 , LOW );
40 | 
41 |   digitalWrite( 13 , LOW );
42 | 
43 |   digitalWrite( 14 , LOW );
44 | 
45 |   Wire.setClock(100000L);            // 100 kHz SCD30 
46 |   Wire.setClockStretchLimit(200000L);// CO2-SCD30
47 | }
48 | 
49 | void loop() { // Kontinuierliche Wiederholung 
50 |   CO2 = airSensorSCD30.getCO2() ;
51 |   Serial.print("CO2:"+String(String(CO2)));
52 |   Serial.println();
53 |   if (( ( CO2 ) < ( 1000 ) ))
54 |   {
55 |     digitalWrite( 12 , LOW );
56 |     digitalWrite( 13 , LOW );
57 |     digitalWrite( 14 , HIGH );
58 |     Serial.print("green");
59 |     Serial.println();
60 |   }
61 |   else
62 |   {
63 |     if (( ( CO2 ) < ( 1400 ) ))
64 |     {
65 |       digitalWrite( 12 , LOW );
66 |       digitalWrite( 13 , HIGH );
67 |       digitalWrite( 14 , LOW );
68 |       Serial.print("yellow");
69 |       Serial.println();
70 |     }
71 |     else
72 |     {
73 |       digitalWrite( 12 , HIGH );
74 |       digitalWrite( 13 , LOW );
75 |       digitalWrite( 14 , LOW );
76 |       Serial.print("red");
77 |       Serial.println();
78 |     }
79 |   }
80 |   delay( 2000 );
81 | }
82 | 


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/co2_logger_octi_scd30.ino:
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 1 | #include <SPI.h>
 2 | #include <SD.h>
 3 | #include <Wire.h>
 4 | #include <SparkFun_SCD30_Arduino_Library.h>
 5 | #include <ESP8266WiFi.h>
 6 | 
 7 | // Set the pins used
 8 | #define cardSelect 15
 9 | 
10 | File logfile;
11 | 
12 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
13 | 
14 | // blink out an error code
15 | void error(uint8_t errno) {
16 |   while(1) {
17 |     uint8_t i;
18 |     for (i=0; i<errno; i++) {
19 |       delay(100);
20 |     }
21 |     for (i=errno; i<10; i++) {
22 |       delay(200);
23 |     }
24 |   }
25 | }
26 | 
27 | // This line is not needed if you have Adafruit SAMD board package 1.6.2+
28 | //   #define Serial SerialUSB
29 | 
30 | void setup() {
31 |   // connect at 115200 so we can read the GPS fast enough and echo without dropping chars
32 |   // also spit it out
33 |   Serial.begin(115200);
34 |   Serial.println("\r\nCO2-Sensor logger test");
35 | 
36 |   WiFi.forceSleepBegin(); // Wifi off
37 |   Wire.begin(); // ---- Initialisiere den I2C-Bus 
38 | 
39 |   if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
40 | 
41 |   if (airSensorSCD30.begin() == false) {
42 |     Serial.println("The SCD30 did not respond. Please check wiring."); 
43 |     while(1) {
44 |       yield(); 
45 |       delay(1);
46 |     } 
47 |   }
48 | 
49 |   airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
50 |   airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 2 s
51 |   Wire.setClock(100000L);            // 100 kHz SCD30 
52 |   Wire.setClockStretchLimit(200000L);// CO2-SCD30
53 | 
54 |   // see if the card is present and can be initialized:
55 |   if (!SD.begin(cardSelect)) {
56 |     Serial.println("Card init. failed!");
57 |     error(2);
58 |   }
59 |   char filename[15];
60 |   strcpy(filename, "/SENSOR00.TXT");
61 |   for (uint8_t i = 0; i < 100; i++) {
62 |     filename[7] = '0' + i/10;
63 |     filename[8] = '0' + i%10;
64 |     // create if does not exist, do not open existing, write, sync after write
65 |     if (! SD.exists(filename)) {
66 |       break;
67 |     }
68 |   }
69 | 
70 |   logfile = SD.open(filename, FILE_WRITE);
71 |   if( ! logfile ) {
72 |     Serial.print("Couldnt create "); 
73 |     Serial.println(filename);
74 |     error(3);
75 |   }
76 |   Serial.print("Writing to "); 
77 |   Serial.println(filename);
78 | 
79 |   pinMode(0, OUTPUT);
80 |   Serial.println("Ready!");
81 | }
82 | 
83 | uint8_t i=0;
84 | void loop() {
85 |   digitalWrite(0, HIGH);
86 |   logfile.print("CO2 = "); logfile.println(airSensorSCD30.getCO2());
87 |   Serial.print("CO2 = "); Serial.println(airSensorSCD30.getCO2());
88 |   delay(500);
89 |   digitalWrite(0, LOW);
90 |   logfile.flush();  // 30mA instead of 10mA in avg ... 
91 |   delay(5000);
92 | }
93 | 


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/co2_logger_rtc.ino:
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  1 | // Date and time functions using a PCF8523 RTC connected via I2C and Wire lib
  2 | #include "RTClib.h"
  3 | 
  4 | RTC_PCF8523 rtc;
  5 | 
  6 | char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
  7 | 
  8 | void setup () {
  9 |   Serial.begin(57600);
 10 | 
 11 | #ifndef ESP8266
 12 |   while (!Serial); // wait for serial port to connect. Needed for native USB
 13 | #endif
 14 | 
 15 |   if (! rtc.begin()) {
 16 |     Serial.println("Couldn't find RTC");
 17 |     Serial.flush();
 18 |     while (1) delay(10);
 19 |   }
 20 | 
 21 |   if (! rtc.initialized() || rtc.lostPower()) {
 22 |     Serial.println("RTC is NOT initialized, let's set the time!");
 23 |     // When time needs to be set on a new device, or after a power loss, the
 24 |     // following line sets the RTC to the date & time this sketch was compiled
 25 |     rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
 26 |     // This line sets the RTC with an explicit date & time, for example to set
 27 |     // January 21, 2014 at 3am you would call:
 28 |     // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
 29 |     //
 30 |     // Note: allow 2 seconds after inserting battery or applying external power
 31 |     // without battery before calling adjust(). This gives the PCF8523's
 32 |     // crystal oscillator time to stabilize. If you call adjust() very quickly
 33 |     // after the RTC is powered, lostPower() may still return true.
 34 |   }
 35 | 
 36 |   // When time needs to be re-set on a previously configured device, the
 37 |   // following line sets the RTC to the date & time this sketch was compiled
 38 |   rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
 39 |   // This line sets the RTC with an explicit date & time, for example to set
 40 |   // January 21, 2014 at 3am you would call:
 41 |   // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
 42 | 
 43 |   // When the RTC was stopped and stays connected to the battery, it has
 44 |   // to be restarted by clearing the STOP bit. Let's do this to ensure
 45 |   // the RTC is running.
 46 |   rtc.start();
 47 | 
 48 |    // The PCF8523 can be calibrated for:
 49 |   //        - Aging adjustment
 50 |   //        - Temperature compensation
 51 |   //        - Accuracy tuning
 52 |   // The offset mode to use, once every two hours or once every minute.
 53 |   // The offset Offset value from -64 to +63. See the Application Note for calculation of offset values.
 54 |   // https://www.nxp.com/docs/en/application-note/AN11247.pdf
 55 |   // The deviation in parts per million can be calculated over a period of observation. Both the drift (which can be negative)
 56 |   // and the observation period must be in seconds. For accuracy the variation should be observed over about 1 week.
 57 |   // Note: any previous calibration should cancelled prior to any new observation period.
 58 |   // Example - RTC gaining 43 seconds in 1 week
 59 |   float drift = 43; // seconds plus or minus over oservation period - set to 0 to cancel previous calibration.
 60 |   float period_sec = (7 * 86400);  // total obsevation period in seconds (86400 = seconds in 1 day:  7 days = (7 * 86400) seconds )
 61 |   float deviation_ppm = (drift / period_sec * 1000000); //  deviation in parts per million (μs)
 62 |   float drift_unit = 4.34; // use with offset mode PCF8523_TwoHours
 63 |   // float drift_unit = 4.069; //For corrections every min the drift_unit is 4.069 ppm (use with offset mode PCF8523_OneMinute)
 64 |   int offset = round(deviation_ppm / drift_unit);
 65 |   // rtc.calibrate(PCF8523_TwoHours, offset); // Un-comment to perform calibration once drift (seconds) and observation period (seconds) are correct
 66 |   // rtc.calibrate(PCF8523_TwoHours, 0); // Un-comment to cancel previous calibration
 67 | 
 68 |   Serial.print("Offset is "); Serial.println(offset); // Print to control offset
 69 | 
 70 | }
 71 | 
 72 | void loop () {
 73 |     DateTime now = rtc.now();
 74 | 
 75 |     Serial.print(now.year(), DEC);
 76 |     Serial.print('/');
 77 |     Serial.print(now.month(), DEC);
 78 |     Serial.print('/');
 79 |     Serial.print(now.day(), DEC);
 80 |     Serial.print(" (");
 81 |     Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
 82 |     Serial.print(") ");
 83 |     Serial.print(now.hour(), DEC);
 84 |     Serial.print(':');
 85 |     Serial.print(now.minute(), DEC);
 86 |     Serial.print(':');
 87 |     Serial.print(now.second(), DEC);
 88 |     Serial.println();
 89 | 
 90 |     Serial.print(" since midnight 1/1/1970 = ");
 91 |     Serial.print(now.unixtime());
 92 |     Serial.print("s = ");
 93 |     Serial.print(now.unixtime() / 86400L);
 94 |     Serial.println("d");
 95 | 
 96 |     // calculate a date which is 7 days, 12 hours and 30 seconds into the future
 97 |     DateTime future (now + TimeSpan(7,12,30,6));
 98 | 
 99 |     Serial.print(" now + 7d + 12h + 30m + 6s: ");
100 |     Serial.print(future.year(), DEC);
101 |     Serial.print('/');
102 |     Serial.print(future.month(), DEC);
103 |     Serial.print('/');
104 |     Serial.print(future.day(), DEC);
105 |     Serial.print(' ');
106 |     Serial.print(future.hour(), DEC);
107 |     Serial.print(':');
108 |     Serial.print(future.minute(), DEC);
109 |     Serial.print(':');
110 |     Serial.print(future.second(), DEC);
111 |     Serial.println();
112 | 
113 |     Serial.println();
114 |     delay(3000);
115 | }
116 | 


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/CO2-Ampel-DIY-Octopus-SCD30-OLED.ino:
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  1 | /* This program is distributed in the hope that it will be useful,
  2 |  but WITHOUT ANY WARRANTY; without even the implied warranty of
  3 |  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  4 |  GNU General Public License for more details. */
  5 | #include <SparkFun_SCD30_Arduino_Library.h>
  6 | #include <Wire.h>
  7 | #include <Ticker.h>
  8 | #include <Adafruit_GFX.h>
  9 | #include <Adafruit_IS31FL3731.h>
 10 | #include <Adafruit_NeoPixel.h>
 11 | #include <ESP8266WiFi.h>
 12 | #include <Adafruit_SH110X.h>
 13 | #include <Fonts/FreeMonoBoldOblique24pt7b.h>
 14 | #include <Fonts/FreeMonoBold24pt7b.h>
 15 | 
 16 | Adafruit_SH110X display = Adafruit_SH110X(64, 128, &Wire);
 17 | GFXcanvas1 canvas(64,128);
 18 | 
 19 | unsigned long myTimer = 0;
 20 | unsigned long myTimeout = 60000; // heart beat 60sec, LED build-in
 21 | 
 22 | // OLED FeatherWing buttons map to different pins depending on board:
 23 |   #define BUTTON_A  0
 24 |   #define BUTTON_B 16
 25 |   #define BUTTON_C  2
 26 | 
 27 | int CO2 = 0 ;
 28 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
 29 | 
 30 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
 31 | 
 32 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
 33 | String matrixausgabe_text  = " "; // Ausgabetext als globale Variable
 34 | 
 35 | volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
 36 | 
 37 | volatile int matrixausgabe_wait  = 0;// warte bis Anzeige durchgelaufen ist
 38 | 
 39 | //--------------------------------------- Charlieplex Matrix
 40 | Adafruit_IS31FL3731_Wing matrix = Adafruit_IS31FL3731_Wing();
 41 | 
 42 | Ticker matrixausgabe;
 43 | void matrixUpdate(){ // Update Charlieplexmatrix über Ticker
 44 |   int anzahlPixel=(matrixausgabe_text.length())*6;
 45 |   if (anzahlPixel > 15) { // Scrollen 
 46 |     if (matrixausgabe_index >= -anzahlPixel) {
 47 |       matrix.clear();
 48 |       matrix.setCursor(matrixausgabe_index,0);
 49 |       matrix.print(matrixausgabe_text);
 50 |       matrixausgabe_index--;
 51 |     } 
 52 |     else {
 53 |       matrixausgabe_index = 12;
 54 |       matrixausgabe_wait=0;
 55 |     }
 56 |   } 
 57 |   else {// nur 3 Zeichen lang-> kein Scroll 
 58 |     matrix.setCursor(0,0);
 59 |     matrix.print(matrixausgabe_text);
 60 |     matrixausgabe_wait  = 0; // no wait
 61 |   }
 62 | }
 63 | void matrixAnzeige(String text, int wait) { // Setze Ausgabetext
 64 |   if (matrixausgabe_text  != text) { // update nur bei neuem Text 
 65 |     matrix.clear();
 66 |     matrixausgabe_index = 0;
 67 |     matrixausgabe_text  = text;
 68 |     matrixausgabe_wait  = wait;
 69 |     while (matrixausgabe_wait) delay(10); // warte bis Text einmal ausgegeben ist
 70 |   }
 71 | };
 72 | 
 73 | Adafruit_NeoPixel WSpixels = Adafruit_NeoPixel((1<24)?1:24,15,NEO_RGB + NEO_KHZ800);
 74 | 
 75 | void setup(){ // Einmalige Initialisierung
 76 |   WiFi.forceSleepBegin(); // Wifi off
 77 |   pinMode( 12 , OUTPUT);
 78 |   pinMode( 13 , OUTPUT);
 79 |   pinMode( 14 , OUTPUT);
 80 |   Wire.begin(); // ---- Initialisiere den I2C-Bus 
 81 | 
 82 |   if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
 83 | 
 84 |   if (airSensorSCD30.begin() == false) {
 85 |     Serial.println("The SCD30 did not respond. Please check wiring."); 
 86 |     while(1) {
 87 |       yield(); 
 88 |       delay(1);
 89 |     } 
 90 |   }
 91 | 
 92 |   airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
 93 | 
 94 |   airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
 95 | 
 96 |   pinMode( 2 , INPUT);
 97 |       
 98 |   Serial.begin(115200);
 99 |   matrix.begin();// Matrix initialisieren 
100 |   delay(10);
101 |   matrix.clear(); 
102 | 
103 |   matrix.setTextColor(60); // Helligkeit begrenzen 
104 |   matrixausgabe.attach(0.08, matrixUpdate); // zyklisch aktualisieren
105 | 
106 |   //Serial.println();
107 |   WSpixels.begin();//-------------- Initialisierung Neopixel
108 | 
109 |   digitalWrite( 12 , HIGH ); //--- test LEDs
110 | 
111 |   digitalWrite( 13 , HIGH ); //--- test LEDs
112 | 
113 |   digitalWrite( 14 , HIGH ); //--- test LEDs
114 | 
115 |   delay(500);
116 |  
117 |   digitalWrite( 12 , LOW );
118 | 
119 |   digitalWrite( 13 , LOW );
120 | 
121 |   digitalWrite( 14 , LOW );
122 | 
123 | 
124 |   //Serial.println("128x64 OLED FeatherWing test");
125 |   display.begin(0x3C, true); // Address 0x3C default
126 | 
127 |   //Serial.println("OLED begun");
128 | 
129 |   // Show image buffer on the display hardware.
130 |   // Since the buffer is intialized with an Adafruit splashscreen
131 |   // internally, this will display the splashscreen.
132 |   display.display();
133 |   delay(1000);
134 | 
135 |   // Clear the buffer.
136 |   display.clearDisplay();
137 |   display.display();
138 |   
139 |   Wire.setClock(100000L);            // 100 kHz SCD30 
140 |   Wire.setClockStretchLimit(200000L);// CO2-SCD30
141 |   
142 |    display.setRotation(1);
143 |    display.setTextSize(1);
144 |    display.setTextColor(SH110X_WHITE);
145 |    display.setCursor(0,0);
146 |    display.println("CO2 Ampel V21/1");
147 |    display.println("starten ...");
148 |    display.println("");
149 |    display.display();
150 |    
151 |    delay(2000);
152 | 
153 |   if (!( digitalRead(2) ))
154 |   {
155 |     display.println("Kalibierung starten?");
156 |     display.println("Button(2) 5sec halten");
157 |     display.display();
158 |     
159 |     delay( 5000 );
160 |     if (!( digitalRead(2) ))
161 |     {
162 | 
163 |   digitalWrite( 12 , HIGH ); //--- test LEDs
164 | 
165 |   digitalWrite( 13 , HIGH ); //--- test LEDs
166 | 
167 |   digitalWrite( 14 , HIGH ); //--- test LEDs
168 | 
169 |   int i = 0;
170 |   int sensor = 0;
171 | 
172 |         for (i= 1; i<= ( 24 ); i=i+1)
173 |       {
174 |         sensor = airSensorSCD30.getCO2() ;
175 | 
176 |   display.clearDisplay();
177 |   display.setRotation(0);
178 |   display.display();
179 | 
180 |    
181 |   canvas.fillScreen(SH110X_BLACK);
182 |   canvas.setRotation(1);
183 | 
184 |   canvas.setTextSize(1);
185 |   canvas.setTextColor(SH110X_WHITE);
186 |   canvas.setFont(&FreeMonoBold24pt7b);
187 |   canvas.setCursor(0,45);
188 |   if (CO2 <= 9999) {
189 |     canvas.print(String(sensor));
190 |   } else 
191 |   {
192 |     canvas.print("----");
193 |   }
194 |   canvas.setFont();
195 |   canvas.setCursor(110,40);
196 |   canvas.print("ppm");
197 |   canvas.setCursor(2,55);
198 |   canvas.print("Kalibrierung "+String((i)*5)+"/120s");
199 |     
200 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
201 |   display.display();
202 | 
203 |         
204 |         delay( 5000 );
205 |         yield();
206 |       }
207 |       
208 |       // Forced Calibration Sensirion SCD 30
209 |       //Serial.print("Start SCD 30 calibration, please wait 20 s ...");
210 |       //delay(20000);
211 |       airSensorSCD30.setAltitudeCompensation(0); // Altitude in m ü NN 
212 |       airSensorSCD30.setForcedRecalibrationFactor(400); // fresh air 
213 | 
214 | 
215 | 
216 |   delay(1000);
217 |  
218 |   digitalWrite( 12 , LOW );
219 | 
220 |   digitalWrite( 13 , LOW );
221 | 
222 |   digitalWrite( 14 , LOW );
223 | 
224 |     }
225 |   }
226 | 
227 |   display.clearDisplay();
228 |   display.setRotation(0);
229 |   display.display();
230 | 
231 |   
232 | }
233 | 
234 | void loop() { // Kontinuierliche Wiederholung 
235 |   CO2 = airSensorSCD30.getCO2();
236 |   
237 |   canvas.fillScreen(SH110X_BLACK);
238 |   canvas.setRotation(1);
239 | 
240 |   canvas.setTextSize(1);
241 |   canvas.setTextColor(SH110X_WHITE);
242 |   canvas.setFont(&FreeMonoBold24pt7b);
243 |   canvas.setCursor(0,45);
244 |   if (CO2 <= 9999) {
245 |     canvas.print(String(CO2));
246 |   } else 
247 |   {
248 |     canvas.print("----");
249 |   }
250 |   canvas.setFont();
251 |   canvas.setCursor(110,40);
252 |   canvas.print("ppm");
253 |   canvas.setCursor(2,55);
254 |   //display.print("www.co2ampel.org - V1");
255 |   canvas.print(String(airSensorSCD30.getTemperature()-4)+"C");
256 |   canvas.setCursor(92,55);
257 |   canvas.print(String(airSensorSCD30.getHumidity())+"%");
258 |     
259 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
260 |   display.display();
261 | 
262 |   // don't use this as long GPIO2 is set as INPUT to trigger sensor callibration!
263 |   // heardbeat - on build in LED
264 |   /*
265 |   if (millis() > myTimeout + myTimer ) {
266 |     myTimer = millis();
267 | 
268 |     digitalWrite( 2 , LOW );
269 |     delay( 500 );
270 |     digitalWrite( 2 , HIGH );
271 |   }
272 |   */
273 |   
274 |   matrixAnzeige(String(String(( airSensorSCD30.getCO2() / 10 ))),1);
275 |   Serial.println("CO2:"+String(String(CO2)));
276 |   //Serial.println();
277 |   if (( ( CO2 ) < ( 1000 ) ))
278 |   {
279 |     digitalWrite( 12 , LOW );
280 |     digitalWrite( 13 , LOW );
281 |     digitalWrite( 14 , HIGH );
282 |     WSpixels.setPixelColor(0,(0<32)?0:32,(64<32)?64:32,(0<48)?0:48);
283 |     WSpixels.show();
284 |     //Serial.print("green");
285 |     //Serial.println();
286 |   }
287 |   else
288 |   {
289 |     if (( ( CO2 ) < ( 1400 ) ))
290 |     {
291 |       digitalWrite( 12 , LOW );
292 |       digitalWrite( 13 , HIGH );
293 |       digitalWrite( 14 , LOW );
294 |       WSpixels.setPixelColor(0,(64<32)?64:32,(64<32)?64:32,(0<48)?0:48);
295 |       WSpixels.show();
296 |       //Serial.print("yellow");
297 |       //Serial.println();
298 |     }
299 |     else
300 |     {
301 |       digitalWrite( 12 , HIGH );
302 |       digitalWrite( 13 , LOW );
303 |       digitalWrite( 14 , LOW );
304 |       WSpixels.setPixelColor(0,(64<32)?64:32,(0<32)?0:32,(0<48)?0:48);
305 |       WSpixels.show();
306 |       //Serial.print("red");
307 |       //Serial.println();
308 |     }
309 |   }
310 |   delay( 2000 );
311 | }
312 | 


--------------------------------------------------------------------------------
/CO2-Ampel-DIY-Octopus-SCD30-OLEDflckerfree.ino:
--------------------------------------------------------------------------------
  1 | /* This program is distributed in the hope that it will be useful,
  2 |  but WITHOUT ANY WARRANTY; without even the implied warranty of
  3 |  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  4 |  GNU General Public License for more details. */
  5 | #include <SparkFun_SCD30_Arduino_Library.h>
  6 | #include <Wire.h>
  7 | #include <Ticker.h>
  8 | #include <Adafruit_GFX.h>
  9 | #include <Adafruit_IS31FL3731.h>
 10 | #include <Adafruit_NeoPixel.h>
 11 | #include <ESP8266WiFi.h>
 12 | #include <Adafruit_SH110X.h>
 13 | #include <Fonts/FreeMonoBoldOblique24pt7b.h>
 14 | #include <Fonts/FreeMonoBold24pt7b.h>
 15 | 
 16 | // Adafruit_SH110X display = Adafruit_SH110X(64, 128, &Wire); // old syntax
 17 | Adafruit_SH1107 display = Adafruit_SH1107(64, 128, &Wire);
 18 | GFXcanvas1 canvas(64,128);
 19 | 
 20 | unsigned long myTimer = 0;
 21 | unsigned long myTimeout = 60000; // heart beat 60sec, LED build-in
 22 | 
 23 | // OLED FeatherWing buttons map to different pins depending on board:
 24 |   #define BUTTON_A  0
 25 |   #define BUTTON_B 16
 26 |   #define BUTTON_C  2
 27 | 
 28 | int CO2 = 0 ;
 29 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
 30 | 
 31 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
 32 | 
 33 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
 34 | String matrixausgabe_text  = " "; // Ausgabetext als globale Variable
 35 | 
 36 | volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
 37 | 
 38 | volatile int matrixausgabe_wait  = 0;// warte bis Anzeige durchgelaufen ist
 39 | 
 40 | //--------------------------------------- Charlieplex Matrix
 41 | Adafruit_IS31FL3731_Wing matrix = Adafruit_IS31FL3731_Wing();
 42 | 
 43 | Ticker matrixausgabe;
 44 | void matrixUpdate(){ // Update Charlieplexmatrix über Ticker
 45 |   int anzahlPixel=(matrixausgabe_text.length())*6;
 46 |   if (anzahlPixel > 15) { // Scrollen 
 47 |     if (matrixausgabe_index >= -anzahlPixel) {
 48 |       matrix.clear();
 49 |       matrix.setCursor(matrixausgabe_index,0);
 50 |       matrix.print(matrixausgabe_text);
 51 |       matrixausgabe_index--;
 52 |     } 
 53 |     else {
 54 |       matrixausgabe_index = 12;
 55 |       matrixausgabe_wait=0;
 56 |     }
 57 |   } 
 58 |   else {// nur 3 Zeichen lang-> kein Scroll 
 59 |     matrix.setCursor(0,0);
 60 |     matrix.print(matrixausgabe_text);
 61 |     matrixausgabe_wait  = 0; // no wait
 62 |   }
 63 | }
 64 | void matrixAnzeige(String text, int wait) { // Setze Ausgabetext
 65 |   if (matrixausgabe_text  != text) { // update nur bei neuem Text 
 66 |     matrix.clear();
 67 |     matrixausgabe_index = 0;
 68 |     matrixausgabe_text  = text;
 69 |     matrixausgabe_wait  = wait;
 70 |     while (matrixausgabe_wait) delay(10); // warte bis Text einmal ausgegeben ist
 71 |   }
 72 | };
 73 | 
 74 | Adafruit_NeoPixel WSpixels = Adafruit_NeoPixel((1<24)?1:24,15,NEO_RGB + NEO_KHZ800);
 75 | 
 76 | void setup(){ // Einmalige Initialisierung
 77 |   WiFi.forceSleepBegin(); // Wifi off
 78 |   pinMode( 12 , OUTPUT);
 79 |   pinMode( 13 , OUTPUT);
 80 |   pinMode( 14 , OUTPUT);
 81 |   Wire.begin(); // ---- Initialisiere den I2C-Bus 
 82 | 
 83 |   if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
 84 | 
 85 |   if (airSensorSCD30.begin() == false) {
 86 |     Serial.println("The SCD30 did not respond. Please check wiring."); 
 87 |     while(1) {
 88 |       yield(); 
 89 |       delay(1);
 90 |     } 
 91 |   }
 92 | 
 93 |   airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
 94 | 
 95 |   airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
 96 | 
 97 |   pinMode( 2 , INPUT);
 98 |       
 99 |   Serial.begin(115200);
100 |   matrix.begin();// Matrix initialisieren 
101 |   delay(10);
102 |   matrix.clear(); 
103 | 
104 |   matrix.setTextColor(60); // Helligkeit begrenzen 
105 |   matrixausgabe.attach(0.08, matrixUpdate); // zyklisch aktualisieren
106 | 
107 |   //Serial.println();
108 |   WSpixels.begin();//-------------- Initialisierung Neopixel
109 | 
110 |   digitalWrite( 12 , HIGH ); //--- test LEDs
111 | 
112 |   digitalWrite( 13 , HIGH ); //--- test LEDs
113 | 
114 |   digitalWrite( 14 , HIGH ); //--- test LEDs
115 | 
116 |   delay(500);
117 |  
118 |   digitalWrite( 12 , LOW );
119 | 
120 |   digitalWrite( 13 , LOW );
121 | 
122 |   digitalWrite( 14 , LOW );
123 | 
124 | 
125 |   //Serial.println("128x64 OLED FeatherWing test");
126 |   display.begin(0x3C, true); // Address 0x3C default
127 | 
128 |   //Serial.println("OLED begun");
129 | 
130 |   // Show image buffer on the display hardware.
131 |   // Since the buffer is intialized with an Adafruit splashscreen
132 |   // internally, this will display the splashscreen.
133 |   display.display();
134 |   delay(1000);
135 | 
136 |   // Clear the buffer.
137 |   display.clearDisplay();
138 |   display.display();
139 |   
140 |   Wire.setClock(100000L);            // 100 kHz SCD30 
141 |   Wire.setClockStretchLimit(200000L);// CO2-SCD30
142 |   
143 |    display.setRotation(1);
144 |    display.setTextSize(1);
145 |    display.setTextColor(SH110X_WHITE);
146 |    display.setCursor(0,0);
147 |    display.println("CO2 Ampel V21/1");
148 |    display.println("starten ...");
149 |    display.println("");
150 |    display.display();
151 |    
152 |    delay(2000);
153 | 
154 |   if (!( digitalRead(2) ))
155 |   {
156 |     display.println("Kalibierung starten?");
157 |     display.println("Button(2) 5sec halten");
158 |     display.display();
159 |     
160 |     delay( 5000 );
161 |     if (!( digitalRead(2) ))
162 |     {
163 | 
164 |   digitalWrite( 12 , HIGH ); //--- test LEDs
165 | 
166 |   digitalWrite( 13 , HIGH ); //--- test LEDs
167 | 
168 |   digitalWrite( 14 , HIGH ); //--- test LEDs
169 | 
170 |   int i = 0;
171 |   int sensor = 0;
172 | 
173 |         for (i= 1; i<= ( 24 ); i=i+1)
174 |       {
175 |         sensor = airSensorSCD30.getCO2() ;
176 | 
177 |   display.clearDisplay();
178 |   display.setRotation(0);
179 |   display.display();
180 | 
181 |    
182 |   canvas.fillScreen(SH110X_BLACK);
183 |   canvas.setRotation(1);
184 | 
185 |   canvas.setTextSize(1);
186 |   canvas.setTextColor(SH110X_WHITE);
187 |   canvas.setFont(&FreeMonoBold24pt7b);
188 |   canvas.setCursor(0,45);
189 |   if (CO2 <= 9999) {
190 |     canvas.print(String(sensor));
191 |   } else 
192 |   {
193 |     canvas.print("----");
194 |   }
195 |   canvas.setFont();
196 |   canvas.setCursor(110,40);
197 |   canvas.print("ppm");
198 |   canvas.setCursor(2,55);
199 |   canvas.print("Kalibrierung "+String((i)*5)+"/120s");
200 |     
201 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
202 |   display.display();
203 | 
204 |         
205 |         delay( 5000 );
206 |         yield();
207 |       }
208 |       
209 |       // Forced Calibration Sensirion SCD 30
210 |       //Serial.print("Start SCD 30 calibration, please wait 20 s ...");
211 |       //delay(20000);
212 |       airSensorSCD30.setAltitudeCompensation(0); // Altitude in m ü NN 
213 |       airSensorSCD30.setForcedRecalibrationFactor(400); // fresh air 
214 | 
215 | 
216 | 
217 |   delay(1000);
218 |  
219 |   digitalWrite( 12 , LOW );
220 | 
221 |   digitalWrite( 13 , LOW );
222 | 
223 |   digitalWrite( 14 , LOW );
224 | 
225 |     }
226 |   }
227 | 
228 |   display.clearDisplay();
229 |   display.setRotation(0);
230 |   display.display();
231 | 
232 |   
233 | }
234 | 
235 | void loop() { // Kontinuierliche Wiederholung 
236 |   CO2 = airSensorSCD30.getCO2();
237 |   
238 |   canvas.fillScreen(SH110X_BLACK);
239 |   canvas.setRotation(1);
240 | 
241 |   canvas.setTextSize(1);
242 |   canvas.setTextColor(SH110X_WHITE);
243 |   canvas.setFont(&FreeMonoBold24pt7b);
244 |   canvas.setCursor(0,45);
245 |   if (CO2 <= 9999) {
246 |     canvas.print(String(CO2));
247 |   } else 
248 |   {
249 |     canvas.print("----");
250 |   }
251 |   canvas.setFont();
252 |   canvas.setCursor(110,40);
253 |   canvas.print("ppm");
254 |   canvas.setCursor(2,55);
255 |   //display.print("www.co2ampel.org - V1");
256 |   canvas.print(String(airSensorSCD30.getTemperature()-4)+"C");
257 |   canvas.setCursor(92,55);
258 |   canvas.print(String(airSensorSCD30.getHumidity())+"%");
259 |     
260 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
261 |   display.display();
262 | 
263 |   // don't use this as long GPIO2 is set as INPUT to trigger sensor callibration!
264 |   // heardbeat - on build in LED
265 |   /*
266 |   if (millis() > myTimeout + myTimer ) {
267 |     myTimer = millis();
268 | 
269 |     digitalWrite( 2 , LOW );
270 |     delay( 500 );
271 |     digitalWrite( 2 , HIGH );
272 |   }
273 |   */
274 |   
275 |   matrixAnzeige(String(String(( airSensorSCD30.getCO2() / 10 ))),1);
276 |   Serial.println("CO2:"+String(String(CO2)));
277 |   //Serial.println();
278 |   if (( ( CO2 ) < ( 1000 ) ))
279 |   {
280 |     digitalWrite( 12 , LOW );
281 |     digitalWrite( 13 , LOW );
282 |     digitalWrite( 14 , HIGH );
283 |     WSpixels.setPixelColor(0,(0<32)?0:32,(64<32)?64:32,(0<48)?0:48);
284 |     WSpixels.show();
285 |     //Serial.print("green");
286 |     //Serial.println();
287 |   }
288 |   else
289 |   {
290 |     if (( ( CO2 ) < ( 1400 ) ))
291 |     {
292 |       digitalWrite( 12 , LOW );
293 |       digitalWrite( 13 , HIGH );
294 |       digitalWrite( 14 , LOW );
295 |       WSpixels.setPixelColor(0,(64<32)?64:32,(64<32)?64:32,(0<48)?0:48);
296 |       WSpixels.show();
297 |       //Serial.print("yellow");
298 |       //Serial.println();
299 |     }
300 |     else
301 |     {
302 |       digitalWrite( 12 , HIGH );
303 |       digitalWrite( 13 , LOW );
304 |       digitalWrite( 14 , LOW );
305 |       WSpixels.setPixelColor(0,(64<32)?64:32,(0<32)?0:32,(0<48)?0:48);
306 |       WSpixels.show();
307 |       //Serial.print("red");
308 |       //Serial.println();
309 |     }
310 |   }
311 |   delay( 2000 );
312 | }
313 | 


--------------------------------------------------------------------------------
/CO2-Ampel-DIY-Octopus-SCD30-Neo-OLEDflickerfree.ino:
--------------------------------------------------------------------------------
  1 | /* This program is distributed in the hope that it will be useful,
  2 |  but WITHOUT ANY WARRANTY; without even the implied warranty of
  3 |  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  4 |  GNU General Public License for more details. */
  5 | #include <SparkFun_SCD30_Arduino_Library.h>
  6 | #include <Wire.h>
  7 | #include <Ticker.h>
  8 | #include <bsec.h>
  9 | #include <Adafruit_GFX.h>
 10 | #include <Adafruit_IS31FL3731.h>
 11 | #include <Adafruit_NeoPixel.h>
 12 | #include <ESP8266WiFi.h>
 13 | #include <Adafruit_SH110X.h>
 14 | #include <Fonts/FreeMonoBoldOblique24pt7b.h>
 15 | #include <Fonts/FreeMonoBold24pt7b.h>
 16 | 
 17 | //Adafruit_SH110X display = Adafruit_SH110X(64, 128, &Wire);
 18 | Adafruit_SH1107 display = Adafruit_SH1107(64, 128, &Wire);
 19 | GFXcanvas1 canvas(64,128);
 20 | 
 21 | unsigned long myTimer = 0;
 22 | unsigned long myTimeout = 60000; // heart beat 60sec, LED build-in
 23 | 
 24 | // OLED FeatherWing buttons map to different pins depending on board:
 25 |   #define BUTTON_A  0
 26 |   #define BUTTON_B 16
 27 |   #define BUTTON_C  2
 28 | 
 29 | int CO2 = 0 ;
 30 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
 31 | 
 32 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
 33 | 
 34 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
 35 | int IAQ = 0 ;
 36 | int TEMP = 0 ;
 37 | int HUMID = 0 ;
 38 | /* 
 39 |  Bosch BSEC Lib, https://github.com/BoschSensortec/BSEC-Arduino-library
 40 |  The BSEC software is only available for download or use after accepting the software license agreement.
 41 |  By using this library, you have agreed to the terms of the license agreement: 
 42 |  https://ae-bst.resource.bosch.com/media/_tech/media/bsec/2017-07-17_ClickThrough_License_Terms_Environmentalib_SW_CLEAN.pdf */
 43 | Bsec iaqSensor;     // Create an object of the class Bsec 
 44 | Ticker Bsec_Ticker; // schedule cyclic update via Ticker 
 45 | 
 46 | // ------------------------   Helper functions Bosch Bsec - Lib 
 47 | void checkIaqSensorStatus(void)
 48 | { 
 49 |   String output; 
 50 |   if (iaqSensor.status != BSEC_OK) {
 51 |     if (iaqSensor.status < BSEC_OK) {
 52 |       output = "BSEC error code : " + String(iaqSensor.status);
 53 |       for (;;) {
 54 |         Serial.println(output);
 55 |         delay(500);
 56 |       } // Halt in case of failure 
 57 |     } 
 58 |     else {
 59 |       output = "BSEC warning code : " + String(iaqSensor.status);
 60 |       Serial.println(output);
 61 |     }
 62 |   }
 63 | 
 64 |   if (iaqSensor.bme680Status != BME680_OK) {
 65 |     if (iaqSensor.bme680Status < BME680_OK) {
 66 |       output = "BME680 error code : " + String(iaqSensor.bme680Status);
 67 |       for (;;){
 68 |         Serial.println(output);
 69 |         delay(500);
 70 |       }  // Halt in case of failure 
 71 |     } 
 72 |     else {
 73 |       output = "BME680 warning code : " + String(iaqSensor.bme680Status);
 74 |       Serial.println(output);
 75 |     }
 76 |   }
 77 | }
 78 | 
 79 | // Housekeeping: scheduled update using ticker-lib
 80 | void iaqSensor_Housekeeping(){  // get new data 
 81 |   iaqSensor.run();
 82 | }
 83 | 
 84 | String matrixausgabe_text  = " "; // Ausgabetext als globale Variable
 85 | 
 86 | volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
 87 | 
 88 | volatile int matrixausgabe_wait  = 0;// warte bis Anzeige durchgelaufen ist
 89 | 
 90 | //--------------------------------------- Charlieplex Matrix
 91 | Adafruit_IS31FL3731_Wing matrix = Adafruit_IS31FL3731_Wing();
 92 | 
 93 | Ticker matrixausgabe;
 94 | void matrixUpdate(){ // Update Charlieplexmatrix über Ticker
 95 |   int anzahlPixel=(matrixausgabe_text.length())*6;
 96 |   if (anzahlPixel > 15) { // Scrollen 
 97 |     if (matrixausgabe_index >= -anzahlPixel) {
 98 |       matrix.clear();
 99 |       matrix.setCursor(matrixausgabe_index,0);
100 |       matrix.print(matrixausgabe_text);
101 |       matrixausgabe_index--;
102 |     } 
103 |     else {
104 |       matrixausgabe_index = 12;
105 |       matrixausgabe_wait=0;
106 |     }
107 |   } 
108 |   else {// nur 3 Zeichen lang-> kein Scroll 
109 |     matrix.setCursor(0,0);
110 |     matrix.print(matrixausgabe_text);
111 |     matrixausgabe_wait  = 0; // no wait
112 |   }
113 | }
114 | void matrixAnzeige(String text, int wait) { // Setze Ausgabetext
115 |   if (matrixausgabe_text  != text) { // update nur bei neuem Text 
116 |     matrix.clear();
117 |     matrixausgabe_index = 0;
118 |     matrixausgabe_text  = text;
119 |     matrixausgabe_wait  = wait;
120 |     while (matrixausgabe_wait) delay(10); // warte bis Text einmal ausgegeben ist
121 |   }
122 | };
123 | 
124 | //Adafruit_NeoPixel WSpixels = Adafruit_NeoPixel((1<24)?1:24,15,NEO_RGB + NEO_KHZ800);
125 | Adafruit_NeoPixel pixels = Adafruit_NeoPixel(2,13,NEO_GRBW + NEO_KHZ800);
126 | 
127 | void setup(){ // Einmalige Initialisierung
128 |   WiFi.forceSleepBegin(); // Wifi off
129 | 
130 |   Wire.begin(); // ---- Initialisiere den I2C-Bus 
131 | 
132 |   if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
133 | 
134 |   if (airSensorSCD30.begin() == false) {
135 |     Serial.println("The SCD30 did not respond. Please check wiring."); 
136 |     while(1) {
137 |       yield(); 
138 |       delay(1);
139 |     } 
140 |   }
141 | 
142 |   airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
143 | 
144 |   airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
145 | 
146 | 
147 | iaqSensor.begin(BME680_I2C_ADDR_PRIMARY, Wire);
148 |   String output = "\nBSEC library version " + String(iaqSensor.version.major) + "." + String(iaqSensor.version.minor) + "." + String(iaqSensor.version.major_bugfix) + "." + String(iaqSensor.version.minor_bugfix);
149 |   Serial.println(output);
150 |   checkIaqSensorStatus();
151 | 
152 |   bsec_virtual_sensor_t sensorList[10] = {
153 |     BSEC_OUTPUT_RAW_TEMPERATURE,
154 |     BSEC_OUTPUT_RAW_PRESSURE,
155 |     BSEC_OUTPUT_RAW_HUMIDITY,
156 |     BSEC_OUTPUT_RAW_GAS,
157 |     BSEC_OUTPUT_IAQ,
158 |     BSEC_OUTPUT_STATIC_IAQ,
159 |     BSEC_OUTPUT_CO2_EQUIVALENT,
160 |     BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
161 |     BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
162 |     BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
163 |   };
164 | 
165 |   iaqSensor.updateSubscription(sensorList, 10, BSEC_SAMPLE_RATE_LP);
166 |   checkIaqSensorStatus();  
167 |   iaqSensor_Housekeeping();
168 |   Bsec_Ticker.attach_ms(3000, iaqSensor_Housekeeping);
169 | 
170 |   pixels.begin();//-------------- Initialisierung Neopixel
171 |   delay(1);
172 |   pixels.show();
173 |   pixels.setPixelColor(0,0,0,0,0); // alle aus
174 |   pixels.setPixelColor(1,0,0,0,0);
175 |   pixels.show();                 // und anzeigen
176 | 
177 |     pixels.setPixelColor(0,0,30,0,0);
178 |  pixels.show(); 
179 | 
180 |  
181 |   pinMode( 2 , INPUT);
182 |       
183 |   Serial.begin(115200);
184 |   matrix.begin();// Matrix initialisieren 
185 |   delay(10);
186 |   matrix.clear(); 
187 | 
188 |   matrix.setTextColor(60); // Helligkeit begrenzen 
189 |   matrixausgabe.attach(0.08, matrixUpdate); // zyklisch aktualisieren
190 | 
191 | 
192 |   //Serial.println("128x64 OLED FeatherWing test");
193 |   display.begin(0x3C, true); // Address 0x3C default
194 | 
195 |   //Serial.println("OLED begun");
196 | 
197 |   // Show image buffer on the display hardware.
198 |   // Since the buffer is intialized with an Adafruit splashscreen
199 |   // internally, this will display the splashscreen.
200 |   display.display();
201 |   delay(1000);
202 | 
203 |   // Clear the buffer.
204 |   display.clearDisplay();
205 |   display.display();
206 |   
207 |   Wire.setClock(100000L);            // 100 kHz SCD30 
208 |   Wire.setClockStretchLimit(200000L);// CO2-SCD30
209 |   
210 |    display.setRotation(1);
211 |    display.setTextSize(1);
212 |    display.setTextColor(SH110X_WHITE);
213 |    display.setCursor(0,0);
214 |    display.println("CO2 Ampel V21/1");
215 |    display.println("starten ...");
216 |    display.println("");
217 |    display.display();
218 |    
219 |    delay(2000);
220 | 
221 |   if (!( digitalRead(2) ))
222 |   {
223 |     display.println("Kalibierung starten?");
224 |     display.println("Button(2) 5sec halten");
225 |     display.display();
226 |     
227 |     delay( 5000 );
228 |     if (!( digitalRead(2) ))
229 |     {
230 | 
231 | 
232 |   int i = 0;
233 |   int sensor = 0;
234 | 
235 |         for (i= 1; i<= ( 24 ); i=i+1)
236 |       {
237 |         sensor = airSensorSCD30.getCO2() ;
238 | 
239 |   display.clearDisplay();
240 |   display.setRotation(0);
241 |   display.display();
242 | 
243 |    
244 |   canvas.fillScreen(SH110X_BLACK);
245 |   canvas.setRotation(1);
246 | 
247 |   canvas.setTextSize(1);
248 |   canvas.setTextColor(SH110X_WHITE);
249 |   canvas.setFont(&FreeMonoBold24pt7b);
250 |   canvas.setCursor(0,45);
251 |   if (CO2 <= 9999) {
252 |     canvas.print(String(sensor));
253 |   } else 
254 |   {
255 |     canvas.print("----");
256 |   }
257 |   canvas.setFont();
258 |   canvas.setCursor(110,40);
259 |   canvas.print("ppm");
260 |   canvas.setCursor(2,55);
261 |   canvas.print("Kalibrierung "+String((i)*5)+"/120s");
262 |     
263 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
264 |   display.display();
265 | 
266 |         
267 |         delay( 5000 );
268 |         yield();
269 |       }
270 |       
271 |       // Forced Calibration Sensirion SCD 30
272 |       //Serial.print("Start SCD 30 calibration, please wait 20 s ...");
273 |       //delay(20000);
274 |       airSensorSCD30.setAltitudeCompensation(0); // Altitude in m ü NN 
275 |       airSensorSCD30.setForcedRecalibrationFactor(400); // fresh air 
276 | 
277 | 
278 | 
279 |   delay(1000);
280 |  
281 |     }
282 |   }
283 | 
284 |   display.clearDisplay();
285 |   display.setRotation(0);
286 |   display.display();
287 | 
288 | 
289 |   
290 | }
291 | 
292 | void loop() { // Kontinuierliche Wiederholung 
293 |   CO2 = airSensorSCD30.getCO2();
294 |   
295 |   IAQ = iaqSensor.iaq ;
296 |   TEMP = ( iaqSensor.temperature - 5 ) ;
297 |   HUMID = iaqSensor.humidity ;
298 |   
299 |   canvas.fillScreen(SH110X_BLACK);
300 |   canvas.setRotation(1);
301 | 
302 |   canvas.setTextSize(1);
303 |   canvas.setTextColor(SH110X_WHITE);
304 |   canvas.setFont(&FreeMonoBold24pt7b);
305 |   canvas.setCursor(0,45);
306 |   if (CO2 <= 9999) {
307 |     canvas.print(String(CO2));
308 |   } else 
309 |   {
310 |     canvas.print("----");
311 |   }
312 |   canvas.setFont();
313 |   canvas.setCursor(110,40);
314 |   canvas.print("ppm");
315 |   canvas.setCursor(2,55);
316 |   //display.print("www.co2ampel.org - V1");
317 |   canvas.print(String(airSensorSCD30.getTemperature()-4)+"C");
318 |   canvas.setCursor(92,55);
319 |   canvas.print(String(airSensorSCD30.getHumidity())+"%");
320 |     
321 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128, SH110X_WHITE, SH110X_BLACK);
322 |   display.display();
323 | 
324 |   // don't use this as long GPIO2 is set as INPUT to trigger sensor callibration!
325 |   // heardbeat - on build in LED
326 |   /*
327 |   if (millis() > myTimeout + myTimer ) {
328 |     myTimer = millis();
329 | 
330 |     digitalWrite( 2 , LOW );
331 |     delay( 500 );
332 |     digitalWrite( 2 , HIGH );
333 |   }
334 |   */
335 |   
336 |   matrixAnzeige(String(String(( airSensorSCD30.getCO2() / 10 ))),1);
337 |   Serial.println("CO2:"+String(String(CO2)));
338 |   //Serial.println();
339 |   if (( ( CO2 ) < ( 1000 ) ))
340 |   {
341 |     //digitalWrite( 12 , LOW );
342 |     //digitalWrite( 13 , LOW );
343 |     //digitalWrite( 14 , HIGH );
344 |     //WSpixels.setPixelColor(0,(0<32)?0:32,(64<32)?64:32,(0<48)?0:48);
345 |     //WSpixels.show();
346 |     //Serial.print("green");
347 |     //Serial.println();
348 |   }
349 |   else
350 |   {
351 |     if (( ( CO2 ) < ( 1400 ) ))
352 |     {
353 |       //digitalWrite( 12 , LOW );
354 |       //digitalWrite( 13 , HIGH );
355 |       //digitalWrite( 14 , LOW );
356 |       //WSpixels.setPixelColor(0,(64<32)?64:32,(64<32)?64:32,(0<48)?0:48);
357 |       //WSpixels.show();
358 |       //Serial.print("yellow");
359 |       //Serial.println();
360 |     }
361 |     else
362 |     {
363 |       //digitalWrite( 12 , HIGH );
364 |       //digitalWrite( 13 , LOW );
365 |       //digitalWrite( 14 , LOW );
366 |       //WSpixels.setPixelColor(0,(64<32)?64:32,(0<32)?0:32,(0<48)?0:48);
367 |       //WSpixels.show();
368 |       //Serial.print("red");
369 |       //Serial.println();
370 |     }
371 |   }
372 | 
373 |   check_neo();
374 |   delay( 5000 );
375 | }
376 | 
377 | 
378 | void check_neo()
379 | {
380 |   if (( ( CO2 ) < ( 1000 ) ))
381 |   {
382 |     pixels.setPixelColor(0,0,30,0,0);
383 |     pixels.show();
384 |   }
385 |   else
386 |   {
387 |     if (( ( CO2 ) < ( 1400 ) ))
388 |     {
389 |       pixels.setPixelColor(0,30,30,0,0);
390 |       pixels.show();
391 |     }
392 |     else
393 |     {
394 |       pixels.setPixelColor(0,40,0,0,0);
395 |       pixels.show();
396 |     }
397 |   }
398 |   if (( ( IAQ ) < ( 100 ) ))
399 |   {
400 |     pixels.setPixelColor(1,0,30,0,0);
401 |     pixels.show();
402 |   }
403 |   else
404 |   {
405 |     if (( ( IAQ ) < ( 250 ) ))
406 |     {
407 |       pixels.setPixelColor(1,30,30,0,0);
408 |       pixels.show();
409 |     }
410 |     else
411 |     {
412 |       pixels.setPixelColor(1,40,0,0,0);
413 |       pixels.show();
414 |     }
415 |   }
416 | }
417 | 


--------------------------------------------------------------------------------
/CO2-Ampel-DIY-Octopus-SCD30-WEB-AP-CAL.ino:
--------------------------------------------------------------------------------
  1 | /* This program is distributed in the hope that it will be useful,
  2 |       but WITHOUT ANY WARRANTY; without even the implied warranty of
  3 |       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  4 |       GNU General Public License for more details. */
  5 | #include <ESP8266WiFi.h>
  6 | #include <SparkFun_SCD30_Arduino_Library.h>
  7 | #include <Wire.h>
  8 | #include <ESP8266WebServer.h>
  9 | 
 10 | String matrixausgabe_text  = " "; // Ausgabetext als globale Variable
 11 | 
 12 | volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
 13 | 
 14 | IPAddress myOwnIP; // ownIP for mDNS 
 15 | 
 16 | int CO2 = 0 ;
 17 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
 18 | 
 19 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
 20 | 
 21 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
 22 | int doCal=0;  // Kalibriermerker
 23 | void CO2_Kalibrierfunktion(){ // Kalibrierfunktion
 24 | // Forced Calibration Sensirion SCD 30
 25 | Serial.print("Start SCD 30 calibration, please wait 20 s ...");delay(20000);
 26 | airSensorSCD30.setAltitudeCompensation(0); // Altitude in m ü NN 
 27 | airSensorSCD30.setForcedRecalibrationFactor(400); // fresh air 
 28 | Serial.println(" done");
 29 | }
 30 | 
 31 | 
 32 | ESP8266WebServer server(80);
 33 | //------------------------------ Server Hompage html-Code
 34 | const char INDEX_HTML_START[] =
 35 |  "<!DOCTYPE HTML>"
 36 |   "<html>"
 37 |   "<META HTTP-EQUIV=\"refresh\" CONTENT=\"20\">"
 38 |    "<head>"
 39 |    "<meta name = \"viewport\" content = \"width = device-width, initial-scale = 1.0, maximum-scale = 1.0, user-scalable=0\">"
 40 |      "<title>IoT-Werkstatt Umwelt-Campus Birkenfeld</title>"
 41 |    "</head>"
 42 |     "<body>"
 43 |     "<CENTER>";
 44 | 
 45 | const char INDEX_HTML_SUBMIT[] =
 46 |      "<FORM action=\"/\" method=\"post\">"
 47 |      "<P>"
 48 |         "Password: "
 49 |         "<INPUT type=\"text\" name=\"message\">"
 50 |         "<INPUT type=\"submit\" value=\"Calibrate\">"
 51 |       "</P>"
 52 |      "</FORM>";
 53 | 
 54 | const char INDEX_HTML_END[] =
 55 |     "</CENTER>"
 56 |    "</body>"
 57 |   "</html>";
 58 |  
 59 |  String cal_passwort = "your password"; // Kalibrierpasswort
 60 |  String cal_message  = "";      // Nachricht
 61 |  
 62 | //------------------------------ Server Ausgabe Messwerte in Form einer html-Tabelle
 63 | 
 64 | String messwertTabelle(){ 
 65 |   String unit1=" C";
 66 |   String unit2=" %";
 67 |   String unit3="";
 68 | 
 69 |   String nam1="Temperatur";
 70 |   String nam2="Luftfeuchtigkeit";
 71 |   String nam3="";
 72 | 
 73 |   float mess1=airSensorSCD30.getTemperature();
 74 |   float mess2=airSensorSCD30.getHumidity();
 75 |   float mess3=0;
 76 |   //String html =  "<h2>Aktuelle Informationen:</h2>";
 77 |   String html = "<h2><table>";
 78 |   if (nam1.length()>0)
 79 |      html = html +  "<tr><td>" + nam1 + ":</td> <td>" + String(mess1) + "</td><td>"+ unit1 +" </td></tr>";
 80 |   if (nam2.length()>0)
 81 |      html = html +  "<tr><td>" + nam2 + ":</td> <td>" + String(mess2) + "</td><td>"+ unit2 +" </td></tr>";
 82 |   if (nam3.length()>0)
 83 |      html = html +  "<tr><td>" + nam3 + ":</td> <td>" + String(mess3) + "</td><td>"+ unit3 +" </td></tr>";
 84 |   html=html+"</table></h2>";
 85 |   return html;
 86 | }
 87 | //------------------------------ Server Ausgabe Bild in Abhängigkeit von Messert und Grenzen
 88 | void serverSendFigure(){ 
 89 |   String unit ="ppm";
 90 |   String nam  ="CO2";
 91 |   float mess=CO2;
 92 |   float limit1 = 1000;
 93 |   float limit2 = 1400;
 94 |   if (mess < limit1) // grün
 95 |      server.sendContent(F("<img src= 'data:image/jpeg;base64,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'alt=''>"));
 96 |     else
 97 |      if (mess>limit2) // rot 
 98 |         server.sendContent(F("<img src='data:image/jpeg;base64,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' alt=''>"));
 99 |        else // gelb
100 |         server.sendContent(F("<img src='data:image/jpeg;base64,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' alt=''>"));
101 |      String val = String("<h1>")+String(nam)+String(": ")+String(mess)+String(" ")+unit+ String("</h1>");
102 |      server.sendContent(val);
103 |  }
104 | //------------------------------ Server Unterprogramm zur Bearbeitung der Anfragen
105 | void serverHomepage() { 
106 |  if (server.hasArg("message")) {// Wenn Kalibrierpasswort eingetroffen,
107 |    String input = server.arg("message");     // dann Text vom Client einlesen
108 |    if (input == cal_passwort){
109 |       cal_message = "do calibration (20 s wait)";
110 |       doCal = 1;
111 |    } else
112 |       cal_message = "wrong password";
113 |  } else cal_message = "";
114 | 	 server.setContentLength(CONTENT_LENGTH_UNKNOWN);
115 |  server.send ( 200, "text/html", INDEX_HTML_START);
116 |  serverSendFigure();             // Ampel integrieren
117 |  server.sendContent(F("<img src=' data:image/jpeg;base64,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' alt=''>"));
118 |  server.sendContent(messwertTabelle());
119 |  if (cal_passwort != "your password") {
120 |   server.sendContent(INDEX_HTML_SUBMIT);
121 |   server.sendContent(cal_message);
122 |  }
123 |  server.sendContent(INDEX_HTML_END);
124 | }
125 | 
126 | 
127 | 
128 | void setup(){ // Einmalige Initialisierung
129 | Serial.begin(115200);
130 | pinMode( 12 , OUTPUT);
131 | pinMode( 13 , OUTPUT);
132 | pinMode( 14 , OUTPUT);
133 | Wire.begin(); // ---- Initialisiere den I2C-Bus 
134 | 
135 | if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
136 | 
137 | if (airSensorSCD30.begin() == false) {Serial.println("The SCD30 did not respond. Please check wiring."); while(1) {yield(); delay(1);} }
138 | 
139 | airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
140 | 
141 | airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
142 | 
143 | Serial.println();
144 | //------------ HTML-Server initialisieren
145 | server.on("/", serverHomepage);
146 |  server.begin();// Server starten
147 | //------------ eigenen WLAN - Accespoint aufbauen 
148 | WiFi.softAP("MeinOctiWLAN","mind8Zeichen");
149 | Serial.print("\nAccessPoint SSID:"); Serial.print("MeinOctiWLAN");
150 | Serial.println ("  IP:"+ WiFi.softAPIP().toString());
151 | myOwnIP = WiFi.softAPIP();
152 | matrixausgabe_text = String("Mein Netz:") + String("MeinOctiWLAN") + String( " IP:") + WiFi.softAPIP().toString();
153 | matrixausgabe_index=0;
154 | 
155 | digitalWrite( 12 , LOW );
156 | 
157 | digitalWrite( 13 , LOW );
158 | 
159 | digitalWrite( 14 , LOW );
160 | 
161 | Wire.setClock(100000L);            // 100 kHz SCD30 
162 | Wire.setClockStretchLimit(200000L);// CO2-SCD30
163 | }
164 | 
165 | void loop() { // Kontinuierliche Wiederholung 
166 | CO2 = airSensorSCD30.getCO2() ;
167 | Serial.print("CO2:"+String(String(CO2)));
168 | Serial.println();
169 | 	webpage();
170 | if (( ( CO2 ) < ( 1000 ) ))
171 | {
172 | digitalWrite( 12 , LOW );
173 | digitalWrite( 13 , LOW );
174 | digitalWrite( 14 , HIGH );
175 | Serial.print("green");
176 | Serial.println();
177 | }
178 | else
179 | {
180 | if (( ( CO2 ) < ( 1400 ) ))
181 | {
182 | digitalWrite( 12 , LOW );
183 | digitalWrite( 13 , HIGH );
184 | digitalWrite( 14 , LOW );
185 | Serial.print("yellow");
186 | Serial.println();
187 | }
188 | else
189 | {
190 | digitalWrite( 12 , HIGH );
191 | digitalWrite( 13 , LOW );
192 | digitalWrite( 14 , LOW );
193 | Serial.print("red");
194 | Serial.println();
195 | }
196 | }
197 | 	delay( 2000 );
198 | }
199 | 
200 | void webpage()
201 | {
202 | //Block------------------------------ HTML-Server
203 | server.handleClient(); //Homepageanfragen versorgen
204 | delay(1);
205 | if (doCal) {
206 |    CO2_Kalibrierfunktion(); // Kalibrierfunktion aufrufen 
207 |    doCal=0; 
208 | }}
209 | 


--------------------------------------------------------------------------------
/QT_RP2040_CO2_NEO_BME_LCD_RING.ino:
--------------------------------------------------------------------------------
  1 | /** check wiring and pin mapping first! **/
  2 | 
  3 | /* Wire - check pins_arduino.h for QT PY RP2040 /opt/arduino-1.8.13/portable/packages/rp2040/hardware/rp2040/1.4.0/variants/adafruitfeather
  4 | #define PIN_WIRE0_SDA  (24u) 
  5 | #define PIN_WIRE0_SCL  (25u) 
  6 | #define PIN_WIRE1_SDA  (22u)
  7 | #define PIN_WIRE1_SCL  (23u)
  8 | */
  9 | 
 10 | /* Wire - check pins_arduino.h for Feather RP2040 /opt/arduino-1.8.13/portable/packages/rp2040/hardware/rp2040/1.2.1/variants/adafruitfeather
 11 | #define PIN_WIRE0_SDA  (2u) 
 12 | #define PIN_WIRE0_SCL  (3u) 
 13 | */
 14 | 
 15 | /* Wire - check pins_arduino.h for M5ATOM Matrix /opt/arduino-1.8.13/portable/packages/esp32/hardware/esp32/1.0.6/variants/m5stack_atom
 16 | // static const uint8_t SDA = 25;  //26
 17 | // static const uint8_t SCL = 21;  //32
 18 | */
 19 | 
 20 | //
 21 | // Author Guido Burger, www.fab-lab.eu, sofware as is incl. 3rd parties, as referenced in the libs
 22 | // www.co2ampel.org, #IoT Werkstatt
 23 | // #CO2Ampel, #CO2Monitor
 24 | // use with Adafruit QT PY RP2040, Feather RP2040, QT PY SAMD51 or M5Atom
 25 | //
 26 | 
 27 | // /opt/arduino-1.8.13/portable/packages/rp2040/hardware/rp2040/1.4.0/tools/uf2conv.py  (want to change name NEW.UF2 ?)
 28 | 
 29 | #include <Arduino.h>
 30 | #include <math.h>
 31 | #include <SensirionI2CScd4x.h>
 32 | #include <Wire.h>
 33 | #include <Adafruit_NeoPixel.h>
 34 | #include <Adafruit_Sensor.h>
 35 | #include "Adafruit_BME680.h"
 36 | #include <SerLCD.h> 
 37 | 
 38 | // only for OLED
 39 | #include <Adafruit_GFX.h>
 40 | #include <Adafruit_SH110X.h>
 41 | #include <Fonts/FreeMonoBoldOblique24pt7b.h>
 42 | #include <Fonts/FreeMonoBold24pt7b.h>
 43 | 
 44 | #include <LinearRegression.h>
 45 | LinearRegression lr;    // define objects
 46 | float values[2];        // define variables
 47 | int zaehler = 0;        // counting values for regression
 48 | int forecast = 0;       // in time[min] will be reach the next threshold 
 49 | double correlation;
 50 | 
 51 | // as BSEC is not yet available for RP2040(?) we sue simple VOC/IAQ calc for now
 52 | // VOC basic
 53 | /**
 54 | This IAQ and the ideas and concepts is Copyright (c) David Bird 2018. All rights to this IAQ 
 55 | and software are reserved. Any redistribution or reproduction of any part or all of the 
 56 | contents in any form is prohibited other than the following:
 57 | 
 58 | You may print or download to a local hard disk extracts for your personal and non-commercial use only.
 59 | You may copy the content to individual third parties for their personal use, but only if you 
 60 | acknowledge the author David Bird as the source of the material.
 61 | You may not, except with my express written permission, distribute or commercially exploit the content.
 62 | You may not transmit it or store it in any other website or other form of electronic retrieval 
 63 | system for commercial purposes.
 64 | The above copyright ('as annotated') notice and this permission notice shall be included in 
 65 | all copies or substantial portions of the IAQ index and Software and where the software use 
 66 | is visible to an end-user.
 67 | **/
 68 | 
 69 | // https://github.com/G6EJD/BME680-Example/blob/master/ESP32_bme680_CC_demo_03.ino
 70 | float hum_weighting = 0.25; // so hum effect is 25% of the total air quality score
 71 | float gas_weighting = 0.75; // so gas effect is 75% of the total air quality score
 72 | 
 73 | int   humidity_score, gas_score;
 74 | float gas_reference = 2500;
 75 | float hum_reference = 40;
 76 | int   getgasreference_count = 0;
 77 | int   gas_lower_limit = 10000;  // Bad air quality limit
 78 | int   gas_upper_limit = 300000; // Good air quality limit
 79 | 
 80 | /** config **/
 81 | 
 82 | String trafficLight = "green";
 83 | int greenLevel = 0;     // threshold - enterng green level
 84 | int yellowLevel = 800;  // threshold - entering yellow level
 85 | int redLevel = 1000;    // threshold - entering red level
 86 | int tempAdjust = -7;    // compensation board heating RP2040
 87 | 
 88 | double max_co2 = 0;
 89 | double min_co2 = 0;
 90 | int i = 0;
 91 | 
 92 | SensirionI2CScd4x scd4x;
 93 | Adafruit_BME680 bme;    // I2C
 94 | 
 95 | /**only ONE display option at a time **/
 96 | #define LCD           //use Sparkfun SerLCD/RGB/3.3V/I2C
 97 | //#define RING          //use NeoPixel Ring with 20 Pixel
 98 | //#define OLED            //use Adafruit 128x64 OLED Wing
 99 | //#define M5ATOM        //use if HW is M5Atom Matrix
100 | 
101 | #define PLOTTER         //set to plot data with Arduino(TM) Plotter, otherwise debug output
102 | 
103 | #define SEALEVELPRESSURE_HPA (1013.25)
104 | 
105 | /** start **/
106 | 
107 | #ifdef M5ATOM
108 |   // only for M5Atom
109 |   #include <M5Atom.h>   // http://librarymanager/All#M5Atom  https://github.com/m5stack/M5Atom
110 |   #include <FastLED.h>  // http://librarymanager/All#FastLED https://github.com/FastLED/FastLED
111 | #endif
112 | 
113 | #ifdef LCD
114 |   SerLCD lcd; // Initialize the library with default I2C address 0x72
115 | #endif
116 | 
117 | #ifdef RING
118 | //Adafruit_NeoPixel WSpixels = Adafruit_NeoPixel((10<24)?10:24,23,NEO_GRB + NEO_KHZ800); //10 Bar at QT PY RP2040 QWIIC
119 | Adafruit_NeoPixel WSpixels = Adafruit_NeoPixel((20<24)?20:24,23,NEO_GRB + NEO_KHZ800); //20 Ring at QT PY RP2040 QWIIC
120 | 
121 | //--------- Neopixel Messanzeige (Gauge)
122 | void WSGauge(float val, float limit1, float limit2, float delta, int seg, int dir){
123 |   int bright = 32;
124 |   float current = 0;
125 |   int i;
126 |   val = round(val/delta)*delta; // Runden der Anzeige auf Delta-Schritte 
127 |   for (int k=0;k<=(seg-1);k++) { // alle Pixel
128 |     current = (k+1)*delta;
129 |     if (dir==1) i=k;
130 |     else {
131 |       i=seg-1-k; 
132 |       if (i == seg-1) i=0; 
133 |       else i=i+1;
134 |     } // clockwise or opposite
135 |     if ((val>=current) && (val < limit1)) // gruen
136 |       WSpixels.setPixelColor(i,0,bright,0);
137 |     else if ((val>=current) && (val <= limit2)) // gelb
138 |       WSpixels.setPixelColor(i,bright/2,bright/2,0);
139 |     else if ((val >= current) && (val > limit2)) // rot
140 |       WSpixels.setPixelColor(i,bright,0,0);
141 |     else
142 |       WSpixels.setPixelColor(i,0,0,0);
143 |   }
144 |   WSpixels.show(); // Anzeige
145 | }
146 | #else
147 |   Adafruit_NeoPixel pixels(1, 3, NEO_GRB + NEO_KHZ800); // QT PY RP2040
148 |   //Adafruit_NeoPixel pixels = Adafruit_NeoPixel(1,10,NEO_GRBW + NEO_KHZ800); // QT PY SAMD21
149 | #endif
150 | 
151 | #ifdef OLED
152 |   Adafruit_SH110X display = Adafruit_SH110X(64, 128, &Wire1); // QT PY RP2040 use the QWIIC I2C second port
153 |   //Adafruit_SH110X display = Adafruit_SH110X(64, 128, &Wire); // Feather RP2040 use the QWIIC I2C first port
154 |   GFXcanvas1 canvas(64,128); // memory buffer for flicker-free display
155 | #endif
156 | 
157 | void printUint16Hex(uint16_t value) {
158 |     Serial.print(value < 4096 ? "0" : "");
159 |     Serial.print(value < 256 ? "0" : "");
160 |     Serial.print(value < 16 ? "0" : "");
161 |     Serial.print(value, HEX);
162 | }
163 | 
164 | void printSerialNumber(uint16_t serial0, uint16_t serial1, uint16_t serial2) {
165 |     Serial.print("Serial: 0x");
166 |     printUint16Hex(serial0);
167 |     printUint16Hex(serial1);
168 |     printUint16Hex(serial2);
169 |     Serial.println();
170 | }
171 | 
172 | void setup() {
173 | 
174 |   #ifdef M5ATOM
175 |     M5.begin(true, true, true);  // (Serial, I2C, NeoPixel)
176 |     /*
177 |     pinMode(22, INPUT); // PIN  (INPUT, OUTPUT,       )
178 |     pinMode(19, INPUT); // PIN  (INPUT, OUTPUT,       )
179 |     pinMode(23, INPUT); // PIN  (INPUT, OUTPUT,       )
180 |     pinMode(33, INPUT); // PIN  (INPUT, OUTPUT, ANALOG)
181 |     pinMode(26, INPUT); // GROVE(INPUT, OUTPUT, ANALOG)
182 |     pinMode(32, INPUT); // GROVE(INPUT, OUTPUT, ANALOG)
183 |     pinMode(12, OUTPUT_OPEN_DRAIN); 
184 |     digitalWrite(12, HIGH);
185 |     */
186 |   #endif
187 | 
188 |     Serial.begin(115200);
189 |     Wire.begin();
190 | 
191 |     #ifdef LCD
192 |       Wire1.begin();
193 |       lcd.begin(Wire1); //Set up the LCD for I2C communicatiom
194 |       //lcd.setBacklight(255, 255, 255); //Set backlight to bright white
195 |       lcd.setContrast(5); //Set contrast. Lower to 0 for higher contrast.
196 |       lcd.disableSystemMessages();
197 |       lcd.clear(); //Clear the display - this moves the cursor to home position as well
198 |       lcd.setCursor (0,0);
199 |       lcd.print("www.co2ampel.org");
200 |       lcd.setCursor (0,1);
201 |       lcd.print("Version 1.2");
202 |       // check RGB lights
203 |       lcd.setBacklight(0, 0, 0); //black is off   
204 |         delay(500);
205 |       lcd.setBacklight(255, 0, 0); //red
206 |         delay(1000);
207 |       lcd.setBacklight(255, 255, 0); //yellow
208 |         delay(1000);
209 |       lcd.setBacklight(0, 255, 0); //green
210 |         delay(500);   
211 |     #endif
212 | 
213 |     #ifdef RING
214 |       WSpixels.begin();//-------------- Initialisierung Neopixel
215 |       WSpixels.show();  
216 |     #else
217 |       pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
218 |       // check RGB lights
219 |       pixels.setPixelColor(0,0,30,0,0);
220 |       pixels.show();
221 |         delay(1000);
222 |       pixels.setPixelColor(0,30,30,0,0);
223 |       pixels.show();
224 |         delay(1000);
225 |       pixels.setPixelColor(0,40,0,0,0);
226 |       pixels.show();
227 |         delay(1000);
228 |       pixels.setPixelColor(0,0,0,0,0); // alle aus
229 |       pixels.show(); 
230 |     #endif
231 | 
232 |     uint16_t error;
233 |     char errorMessage[256];
234 | 
235 |     scd4x.begin(Wire);
236 | 
237 |     // stop potentially previously started measurement
238 |     error = scd4x.stopPeriodicMeasurement();
239 |     if (error) {
240 |         Serial.print("Error trying to execute stopPeriodicMeasurement(): ");
241 |         errorToString(error, errorMessage, 256);
242 |         Serial.println(errorMessage);
243 |     }
244 | 
245 |     uint16_t serial0;
246 |     uint16_t serial1;
247 |     uint16_t serial2;
248 |     error = scd4x.getSerialNumber(serial0, serial1, serial2);
249 |     if (error) {
250 |         Serial.print("Error trying to execute getSerialNumber(): ");
251 |         errorToString(error, errorMessage, 256);
252 |         Serial.println(errorMessage);
253 |     } else {
254 |         //printSerialNumber(serial0, serial1, serial2);
255 |     }
256 | 
257 |     // Start Measurement
258 |     error = scd4x.startPeriodicMeasurement();
259 |     if (error) {
260 |         Serial.print("Error trying to execute startPeriodicMeasurement(): ");
261 |         errorToString(error, errorMessage, 256);
262 |         Serial.println(errorMessage);
263 |     }
264 |     
265 |     if (!bme.begin(0x76)) {
266 |       Serial.println("Could not find a valid BME680 sensor, check wiring!");
267 |       delay(100);
268 |     }
269 | 
270 |   // Set up oversampling and filter initialization
271 |   bme.setTemperatureOversampling(BME680_OS_8X);
272 |   bme.setHumidityOversampling(BME680_OS_2X);
273 |   bme.setPressureOversampling(BME680_OS_4X);
274 |   bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
275 |   bme.setGasHeater(320, 150); // 320*C for 150 ms
276 | 
277 |   // VOC basic
278 |   // Now run the sensor to normalise the readings, then use combination of relative humidity and gas resistance to estimate indoor air quality as a percentage.
279 |   // The sensor takes ~30-mins to fully stabilise
280 |   GetGasReference();
281 | 
282 |   #ifdef OLED
283 |     //Serial.println("128x64 OLED FeatherWing test");
284 |     display.begin(0x3C, true); // Address 0x3C default
285 |     display.clearDisplay(); // Clear the buffer.
286 |     display.setRotation(0);
287 |     display.display();
288 |   #endif
289 | 
290 |   //Serial.println("Waiting for first measurement... (5 sec)");
291 |   delay (5000);
292 | }
293 | 
294 | void loop() {
295 | 
296 |   #ifdef M5ATOM
297 |     M5.update();
298 |   #endif
299 |   
300 |     uint16_t error;
301 |     char errorMessage[256];
302 |     
303 |     // Read Measurement
304 |     uint16_t co2;
305 |     float temperature;
306 |     float humidity;
307 | 
308 |   // VOC basic
309 |   /*
310 |   Serial.println("Sensor Readings:");
311 |   Serial.println("  Temperature = " + String(bme.readTemperature(), 2)     + "°C");
312 |   Serial.println("     Pressure = " + String(bme.readPressure() / 100.0F) + " hPa");
313 |   Serial.println("     Humidity = " + String(bme.readHumidity(), 1)        + "%");
314 |   Serial.println("          Gas = " + String(gas_reference)               + " ohms\n");
315 |   */
316 |   humidity_score = GetHumidityScore();
317 |   gas_score      = GetGasScore();
318 | 
319 |   //Combine results for the final IAQ index value (0-100% where 100% is good quality air)
320 |   float air_quality_score = humidity_score + gas_score;
321 |   if ((getgasreference_count++) % 5 == 0) GetGasReference();
322 |   //Serial.println(CalculateIAQ(air_quality_score));
323 |   //delay(2000);
324 | 
325 |     // read data from SCD4x
326 |     error = scd4x.readMeasurement(co2, temperature, humidity);
327 |     if (error) {
328 |       Serial.print("Error trying to execute readMeasurement(): ");
329 |       errorToString(error, errorMessage, 256);
330 |       Serial.println(errorMessage);
331 |     } 
332 | 
333 |     temperature = temperature + tempAdjust; // adjust to hw ... eg -7C
334 | 
335 | 
336 | 
337 |     i++;
338 |   
339 |     if (max_co2 < co2) {
340 |       max_co2 = co2;
341 |     }
342 | 
343 |     if (min_co2 > co2) {
344 |       min_co2 = co2;
345 |     } else {
346 |       if (min_co2 == 0) {
347 |         min_co2 = co2;
348 |       }
349 |     }
350 | 
351 |     Serial.println (min_co2);
352 |     Serial.println (max_co2);
353 | 
354 |     // 5 sec sample -> 45 min = 540, max / min pro Schulstunde 
355 |     if (i > 540) {
356 |       max_co2 = 0;
357 |       min_co2 = 0;
358 |       i = 0;
359 |       }
360 | 
361 | 
362 | 
363 |     // read data from BME68x
364 |     if (! bme.performReading()) {
365 |       Serial.println("Failed to perform reading :(");
366 |       return;
367 |     }
368 | 
369 |     // calc linear regression for x data points
370 |     zaehler ++;
371 |     lr.Data(co2);
372 | 
373 |     if (zaehler > 9) {
374 |       // calculation Linear Regression of last 10 data points
375 |       /*
376 |       Serial.print(lr.Samples()); Serial.println(" Point Linear Regression Calculation...");
377 |       Serial.print("Correlation: "); Serial.println(lr.Correlation());
378 |       Serial.print("Values: "); lr.Parameters(values); Serial.print("Y = "); Serial.print(values[0],4); Serial.print("*X + "); Serial.println(values[1],4);
379 |       Serial.print("Values: "); lr.Parameters(values); Serial.print(" a = "); Serial.print(values[0],4); Serial.print(" b = "); Serial.println(values[1],4); 
380 |       Serial.print("Degree(°): "); Serial.print(57.2957795*atan(values[0]),2); Serial.println(""); // convert rad to deg
381 |       Serial.print("Time(s): "); Serial.print((1000-values[1])/values[0]*5,2); Serial.println(""); 
382 |       */
383 |       lr.Samples();
384 |       correlation = lr.Correlation();
385 |       lr.Parameters(values);
386 |       
387 |       if (trafficLight == "green") {
388 |         forecast = int((yellowLevel-values[1])/values[0]*5/60); // forecast till 800 ppm, steps 5s, in minute
389 |         //Serial.println(yellowLevel); //
390 |       }
391 |       
392 |       if (trafficLight == "yellow") {
393 |         forecast = int((redLevel-values[1])/values[0]*5/60); // forecast till 1000 ppm, steps 5s, in minute
394 |         //Serial.println(redLevel); //
395 |       }
396 | 
397 |       #ifndef PLOTTER
398 |         Serial.print(correlation); //
399 |         Serial.print(": y = "); Serial.print(values[0],2); Serial.print("*x + "); Serial.println(values[1],2); //
400 |         Serial.println(trafficLight); //
401 |         Serial.print("Time(min): "); Serial.print(forecast); Serial.println(""); //
402 |       #endif
403 |        
404 |       // Reset
405 |       lr.Reset(); 
406 |       zaehler = 0;
407 |     }
408 | 
409 |     #ifdef PLOTTER
410 |         Serial.print("CO2:");
411 |         Serial.print(co2);
412 |         Serial.print(" Temperature:");
413 |         Serial.print(temperature);
414 |         Serial.print(" Humidity:");
415 |         Serial.print(humidity);
416 |         Serial.print(" IAQ:");
417 |         Serial.println(  (100 - air_quality_score)*5);
418 |     #else
419 |         // print SCD4x
420 |         Serial.print("SCD4x - Co2:");
421 |         Serial.print(co2);
422 |         Serial.print(" ppm, ");
423 |         
424 |         Serial.print("Temperature:");
425 |         Serial.print(temperature);
426 |         Serial.print(" *C, ");
427 |         
428 |         Serial.print("Humidity:");
429 |         Serial.print(humidity);
430 |         Serial.println(" %");
431 | 
432 |         // print BME68x
433 |         Serial.print("BME68x - Temperature: ");
434 |         Serial.print(bme.temperature);
435 |         Serial.print(" *C, ");
436 | 
437 |         Serial.print("Pressure: ");
438 |         Serial.print(bme.pressure / 100.0);
439 |         Serial.print(" hPa,");
440 | 
441 |         Serial.print("Humidity: ");
442 |         Serial.print(bme.humidity);
443 |         Serial.print(" %, ");
444 | 
445 |         Serial.print("Gas: ");
446 |         Serial.print(bme.gas_resistance / 1000.0);
447 |         Serial.print(" KOhms, ");
448 | 
449 |         Serial.print("Altitude: ");
450 |         Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
451 |         Serial.println(" m");
452 | 
453 |         // Temperature RP2040 core
454 |         Serial.printf("Core temperature: %2.1fC\n", analogReadTemp());
455 |         Serial.println();
456 |       #endif
457 | 
458 |     #ifdef LCD
459 |       lcd.clear();
460 |       lcd.setCursor (0,0);
461 |       lcd.print("CO2:");
462 |       lcd.setCursor(5,0);
463 |       lcd.print(co2);
464 |       lcd.setCursor (9,0);
465 |       lcd.print("ppm");
466 |     #endif
467 | 
468 |     #ifdef RING
469 |        // WSGauge(co2,800,1000,100,10,true); //10 Bar
470 |        WSGauge(co2,800,1000,100,20,true); //20 Ring
471 |     #else
472 | 
473 |   // Ampel - Traffic Light: <800 green, >800 yellow, >1000 red, adopt to your requirements!  
474 |   if (( ( co2 ) < ( yellowLevel ) ))
475 |   {
476 |     pixels.setPixelColor(0,0,30,0,0);
477 |     pixels.show(); 
478 |     
479 |     #ifdef LCD
480 |       lcd.setBacklight(0, 255, 0); //green
481 |     #endif
482 |     trafficLight = "green";
483 | 
484 |     #ifdef M5ATOM
485 |       for (int i = 0; i < 25; i++) {
486 |       M5.dis.drawpix(i, 0xff0000); //green
487 |       }
488 |     #endif
489 |   }
490 |   else
491 |   {
492 |     if (( ( co2 ) < ( redLevel ) ))
493 |     {
494 |       pixels.setPixelColor(0,30,30,0,0);
495 |       pixels.show();
496 |       
497 |       #ifdef LCD
498 |         lcd.setBacklight(255, 255, 0); //yellow
499 |       #endif
500 |       trafficLight = "yellow";
501 |       
502 |       #ifdef M5ATOM
503 |         for (int i = 0; i < 25; i++) {
504 |         M5.dis.drawpix(i, 0xffff00); //yellow
505 |         }
506 |       #endif
507 |     }
508 |     else
509 |     {
510 |       pixels.setPixelColor(0,40,0,0,0);
511 |       pixels.show();
512 |       
513 |       #ifdef LCD
514 |         lcd.setBacklight(255, 0, 0); //red
515 |       #endif
516 |       trafficLight = "red";
517 | 
518 |       #ifdef M5ATOM
519 |         for (int i = 0; i < 25; i++) {
520 |         M5.dis.drawpix(i, 0x00ff00); //red
521 |         }
522 |       #endif  
523 |     }
524 |   } // VOC
525 |   #endif
526 | 
527 |   #ifdef OLED
528 |   canvas.fillScreen(SH110X_BLACK);
529 |   canvas.setRotation(1);
530 |   canvas.setFont();
531 |   canvas.setCursor(2,5);
532 |   canvas.print("#CO2Ampel.org - V1.2");
533 |   
534 |   canvas.setTextSize(1);
535 |   canvas.setTextColor(SH110X_WHITE);
536 |   canvas.setFont(&FreeMonoBold24pt7b);
537 |   canvas.setCursor(0,47);
538 | 
539 |   // for SCD40 limit, adjust for SCD41 to 5000ppm
540 |   if (co2 <= 2000) {
541 |     canvas.print(String(co2));
542 |   } else 
543 |   {
544 |     canvas.print("----");
545 |   }
546 |   canvas.setFont();
547 |   canvas.setCursor(110,42);
548 |   canvas.print("ppm");
549 |   canvas.setCursor(2,55);
550 |   canvas.print(String(temperature)+"C");
551 | 
552 |   // VOC basic
553 |   canvas.setCursor(55,55);
554 |   //canvas.print(String(int(bme.gas_resistance / 1000.0))+"R"); 
555 |   canvas.print(String(int(100 - air_quality_score)*5)+"Q"); //IAQ Index
556 |   //Serial.println(CalculateIAQ(air_quality_score)); //IAQ classification
557 | 
558 |   canvas.setCursor(92,55);
559 |   canvas.print(String(humidity)+"%"); //SCD40
560 |   //canvas.print(String(bme.humidity)+"%"); //BME68x
561 |   
562 |   // forecast
563 |   canvas.setCursor(115,20);
564 |   canvas.print("  "); // clear to avoid "-" leading a single digit value
565 |   canvas.setCursor(115,20);
566 |   if (correlation > 0.4 && forecast < 99) { // we got stable forecast and < 99 min
567 |     canvas.print(String(forecast));
568 |   } else {
569 |     canvas.print("--");
570 |   }
571 |     
572 |   display.drawBitmap (0,0, canvas.getBuffer(), 64, 128,SH110X_WHITE,SH110X_BLACK);
573 |   display.display();
574 |   #endif
575 | 
576 |   delay(5000);
577 | }
578 | 
579 | /*
580 | // Running on core1
581 | void setup1() {  
582 | }
583 | 
584 | void loop1() {
585 | }
586 | */
587 | 
588 | 
589 | 
590 | 
591 | 
592 | // VOC basic
593 | void GetGasReference() {
594 |   // Now run the sensor for a burn-in period, then use combination of relative humidity and gas resistance to estimate indoor air quality as a percentage.
595 |   //Serial.println("Getting a new gas reference value");
596 |   int readings = 10;
597 |   for (int i = 1; i <= readings; i++) { // read gas for 10 x 0.150mS = 1.5secs
598 |     gas_reference += bme.readGas();
599 |   }
600 |   gas_reference = gas_reference / readings;
601 |   //Serial.println("Gas Reference = "+String(gas_reference,3));
602 | }
603 | 
604 | String CalculateIAQ(int score) {
605 |   String IAQ_text = "air quality is "; 
606 |   score = (100 - score) * 5;
607 |   if      (score >= 301)                  IAQ_text += "Hazardous";
608 |   else if (score >= 201 && score <= 300 ) IAQ_text += "Very Unhealthy";
609 |   else if (score >= 176 && score <= 200 ) IAQ_text += "Unhealthy";
610 |   else if (score >= 151 && score <= 175 ) IAQ_text += "Unhealthy for Sensitive Groups";
611 |   else if (score >=  51 && score <= 150 ) IAQ_text += "Moderate";
612 |   else if (score >=  00 && score <=  50 ) IAQ_text += "Good";
613 |   Serial.print("IAQ Score = " + String(score) + ", ");
614 |   return IAQ_text;
615 | }
616 | 
617 | int GetHumidityScore() {  //Calculate humidity contribution to IAQ index
618 |   float current_humidity = bme.readHumidity();
619 |   if (current_humidity >= 38 && current_humidity <= 42) // Humidity +/-5% around optimum
620 |     humidity_score = 0.25 * 100;
621 |   else
622 |   { // Humidity is sub-optimal
623 |     if (current_humidity < 38)
624 |       humidity_score = 0.25 / hum_reference * current_humidity * 100;
625 |     else
626 |     {
627 |       humidity_score = ((-0.25 / (100 - hum_reference) * current_humidity) + 0.416666) * 100;
628 |     }
629 |   }
630 |   return humidity_score;
631 | }
632 | 
633 | int GetGasScore() {
634 |   //Calculate gas contribution to IAQ index
635 |   gas_score = (0.75 / (gas_upper_limit - gas_lower_limit) * gas_reference - (gas_lower_limit * (0.75 / (gas_upper_limit - gas_lower_limit)))) * 100.00;
636 |   if (gas_score > 75) gas_score = 75; // Sometimes gas readings can go outside of expected scale maximum
637 |   if (gas_score <  0) gas_score = 0;  // Sometimes gas readings can go outside of expected scale minimum
638 |   return gas_score;
639 | }
640 | 


--------------------------------------------------------------------------------
/co2_epaper_webserver.ino:
--------------------------------------------------------------------------------
  1 | /* This program is distributed in the hope that it will be useful,
  2 |       but WITHOUT ANY WARRANTY; without even the implied warranty of
  3 |       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  4 |       GNU General Public License for more details. */
  5 | 
  6 | #include <ESP8266WiFi.h>
  7 | #include <SparkFun_SCD30_Arduino_Library.h>
  8 | #include <Wire.h>
  9 | #include <ESP8266WebServer.h>
 10 | #include "Adafruit_EPD.h" // requires Adafruit BusIO
 11 | 
 12 | String matrixausgabe_text  = " "; // Ausgabetext als globale Variable
 13 | 
 14 | volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
 15 | 
 16 | IPAddress myOwnIP; // ownIP for mDNS 
 17 | 
 18 |   float mess;
 19 | 
 20 | //Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics 
 21 | 
 22 | //https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
 23 | 
 24 | SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
 25 | void CO2_Kalibrierfunktion(){ // Kalibrierfunktion
 26 | // Forced Calibration Sensirion SCD 30
 27 | Serial.print("Start SCD 30 calibration, please wait 30 s ...");delay(30000);
 28 | airSensorSCD30.setAltitudeCompensation(0); // Altitude in m ü NN 
 29 | airSensorSCD30.setForcedRecalibrationFactor(400); // fresh air 
 30 | Serial.println(" done");
 31 | }
 32 | 
 33 | 
 34 | ESP8266WebServer server(80);
 35 | //------------------------------ Server Hompage html-Code
 36 | const char INDEX_HTML_START[] =
 37 |  "<!DOCTYPE HTML>"
 38 |   "<html>"
 39 |   "<META HTTP-EQUIV=\"refresh\" CONTENT=\"20\">"
 40 |    "<head>"
 41 |    "<meta name = \"viewport\" content = \"width = device-width, initial-scale = 1.0, maximum-scale = 1.0, user-scalable=0\">"
 42 |      "<title>IoT-Werkstatt Umwelt-Campus Birkenfeld</title>"
 43 |    "</head>"
 44 |     "<body>"
 45 |     "<CENTER>";
 46 | 
 47 | const char INDEX_HTML_SUBMIT[] =
 48 |      "<FORM action=\"/\" method=\"post\">"
 49 |      "<P>"
 50 |         "Passwort: "
 51 |         "<INPUT type=\"text\" name=\"message\">"
 52 |         "<INPUT type=\"submit\" value=\"Kalibrieren\">"
 53 |       "</P>"
 54 |      "</FORM>";
 55 | 
 56 | const char INDEX_HTML_END[] =
 57 |     "</CENTER>"
 58 |    "</body>"
 59 |   "</html>";
 60 |  
 61 |  String cal_passwort = "calscd30"; // Kalibrierpasswort
 62 |  String cal_message  = "";      // Nachricht
 63 |  
 64 | //------------------------------ Server Ausgabe Messwerte in Form einer html-Tabelle
 65 | 
 66 | String messwertTabelle(){ 
 67 |   String unit1="%";
 68 |   String unit2="C";
 69 |   String unit3="";
 70 | 
 71 |   String nam1="Luftfeuchtigkeit";
 72 |   String nam2="Temperatur";
 73 |   String nam3="";
 74 | 
 75 |   float mess1=airSensorSCD30.getHumidity();
 76 |   float mess2=airSensorSCD30.getTemperature()-3;
 77 |   float mess3=0;
 78 |   //String html =  "<h2>Aktuelle Informationen:</h2>";
 79 |   String html = "<h2><table>";
 80 |   if (nam1.length()>0)
 81 |      html = html +  "<tr><td>" + nam1 + ":</td> <td>" + String(mess1) + "</td><td>"+ unit1 +" </td></tr>";
 82 |   if (nam2.length()>0)
 83 |      html = html +  "<tr><td>" + nam2 + ":</td> <td>" + String(mess2) + "</td><td>"+ unit2 +" </td></tr>";
 84 |   if (nam3.length()>0)
 85 |      html = html +  "<tr><td>" + nam3 + ":</td> <td>" + String(mess3) + "</td><td>"+ unit3 +" </td></tr>";
 86 |   html=html+"</table></h2>";
 87 |   return html;
 88 | }
 89 | //------------------------------ Server Ausgabe Bild in Abhängigkeit von Messert und Grenzen
 90 | void serverSendFigure(){ 
 91 |   String unit ="ppm";
 92 |   String nam  ="CO2";
 93 | 
 94 |   float limit1 = 1000;
 95 |   float limit2 = 1400;
 96 |   if (mess < limit1) // grün
 97 |      server.sendContent(F("<img src= 'data:image/jpeg;base64,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'alt=''>"));
 98 |     else
 99 |      if (mess>limit2) // rot 
100 |         server.sendContent(F("<img src='data:image/jpeg;base64,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' alt=''>"));
101 |        else // gelb
102 |         server.sendContent(F("<img src='data:image/jpeg;base64,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' alt=''>"));
103 |      String val = String("<h1>")+String(nam)+String(": ")+String(mess)+String(" ")+unit+ String("</h1>");
104 |      server.sendContent(val);
105 |  }
106 | //------------------------------ Server Unterprogramm zur Bearbeitung der Anfragen
107 | void serverHomepage() { 
108 |  if (server.hasArg("message")) {// Wenn Kalibrierpasswort eingetroffen,
109 |    String input = server.arg("message");     // dann Text vom Client einlesen
110 |    if (input == cal_passwort){
111 |       CO2_Kalibrierfunktion(); // Kalibrierfunktion aufrufen 
112 |       cal_message = "calibration done";
113 |    } else
114 |       cal_message = "wrong password";
115 |  } else cal_message = "";
116 |    server.setContentLength(CONTENT_LENGTH_UNKNOWN);
117 |  server.send ( 200, "text/html", INDEX_HTML_START);
118 |  serverSendFigure();             // Ampel integrieren
119 |  server.sendContent(F("<img src=' data:image/jpeg;base64,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' alt=''>"));
120 |  server.sendContent(messwertTabelle());
121 |  if (cal_passwort != "calscd30") {
122 |   server.sendContent(INDEX_HTML_SUBMIT);
123 |   server.sendContent(cal_message);
124 |  }
125 |  server.sendContent(INDEX_HTML_END);
126 | }
127 | 
128 | #define EPD_CS     0//10
129 | #define EPD_DC      15//9
130 | #define SRAM_CS     16//11
131 | #define EPD_RESET   -1 // can set to -1 and share with microcontroller Reset!
132 | #define EPD_BUSY    -1 // can set to -1 to not use a pin (will wait a fixed delay)
133 | 
134 | Adafruit_IL0373 display(212, 104, EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
135 | 
136 | #define COLOR1 EPD_BLACK
137 | #define COLOR2 EPD_RED
138 | 
139 | void setup(){ // Einmalige Initialisierung
140 |   Serial.begin(115200);
141 | 
142 | Wire.begin(); // ---- Initialisiere den I2C-Bus 
143 | 
144 | if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
145 | 
146 | if (airSensorSCD30.begin() == false) {Serial.println("The SCD30 did not respond. Please check wiring."); while(1) {yield(); delay(1);} }
147 | 
148 | airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
149 | 
150 | airSensorSCD30.setMeasurementInterval(2);     // CO2-Messung alle 5 s
151 | 
152 | //------------ HTML-Server initialisieren
153 | server.on("/", serverHomepage);
154 |  server.begin();// Server starten
155 | //------------ eigenen WLAN - Accespoint aufbauen 
156 | WiFi.softAP("co2ampel","co2ampel");
157 | Serial.print("\nAccessPoint SSID:"); Serial.print("MeinOctiWLAN");
158 | Serial.println ("  IP:"+ WiFi.softAPIP().toString());
159 | myOwnIP = WiFi.softAPIP();
160 | matrixausgabe_text = String("Mein Netz:") + String("MeinOctiWLAN") + String( " IP:") + WiFi.softAPIP().toString();
161 | matrixausgabe_index=0;
162 | 
163 | Wire.setClock(100000L);            // 100 kHz SCD30 
164 | Wire.setClockStretchLimit(200000L);// CO2-SCD30
165 | 
166 |   display.begin();
167 |   display.clearBuffer();
168 |   display.display();
169 | }
170 | 
171 | void loop() { // Kontinuierliche Wiederholung 
172 | //Block------------------------------ HTML-Server
173 | 
174 |   mess=airSensorSCD30.getCO2();
175 | 
176 | server.handleClient(); //Homepageanfragen versorgen
177 | delay(1);
178 |   
179 |   display.clearBuffer();
180 |   display.setCursor(45, 10);
181 |   display.setTextSize(2);  
182 |   display.setTextColor(EPD_BLACK);
183 |   display.print("CO2-Ampel");
184 |   
185 |   display.setCursor(55, 30);
186 |   display.setTextSize(1);  
187 |   display.setTextColor(EPD_BLACK);
188 |   display.print("#IoT-Werkstatt");
189 | 
190 |   display.setTextSize(4);  
191 |   display.setCursor(60, 60);
192 |   display.setTextColor(EPD_RED);
193 |   display.print(String(abs(mess)));
194 | 
195 |     display.setTextSize(2);  
196 |   display.setCursor(10, 60);
197 |   display.setTextColor(EPD_BLACK);
198 |   display.print(String(abs(airSensorSCD30.getTemperature()-3))+"C");
199 | 
200 |     display.setTextSize(2);  
201 |   display.setCursor(170, 60);
202 |   display.setTextColor(EPD_BLACK);
203 |   display.print(String(abs(airSensorSCD30.getHumidity()))+"%");
204 |     display.setCursor(170, 80);
205 |   display.print("ppm");
206 |   
207 |   display.display();
208 | 
209 | 
210 |     
211 | server.handleClient(); //Homepageanfragen versorgen
212 | delay(1);
213 |   delay( 5000 );
214 |   server.handleClient(); //Homepageanfragen versorgen
215 | delay(1);
216 |   delay( 5000 );
217 |   server.handleClient(); //Homepageanfragen versorgen
218 | delay(1);
219 |   delay( 5000 );
220 |   server.handleClient(); //Homepageanfragen versorgen
221 | delay(1);
222 |   delay( 5000 );
223 | }
224 | 


--------------------------------------------------------------------------------
/CO2-Ampel-DIY-Octopus-SCD30.abp:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2 | <cb:CODEBLOCKS xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://education.mit.edu/openblocks/ns http://education.mit.edu/openblocks/codeblocks.xsd" xmlns:cb="http://education.mit.edu/openblocks/ns">
  3 | <Pages collapsible-pages="yes" drawer-with-page="yes">
  4 | <Page page-color="128 128 128" page-drawer="Main" page-infullview="yes" page-name="Main" page-width="1920">
  5 | <PageBlocks>
  6 | <Block genus-name="variable_number" id="579">
  7 | <Label>CO2</Label>
  8 | <Location>
  9 | <X>562</X>
 10 | <Y>373</Y>
 11 | </Location>
 12 | <Plug>
 13 | <BlockConnector con-block-id="578" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
 14 | </Plug>
 15 | </Block>
 16 | <Block genus-name="glue_sn" id="578">
 17 | <Location>
 18 | <X>478</X>
 19 | <Y>373</Y>
 20 | </Location>
 21 | <Plug>
 22 | <BlockConnector con-block-id="576" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
 23 | </Plug>
 24 | <Sockets num-sockets="1">
 25 | <BlockConnector con-block-id="579" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="single"/>
 26 | </Sockets>
 27 | </Block>
 28 | <Block genus-name="serial_print" id="575">
 29 | <Location>
 30 | <X>248</X>
 31 | <Y>370</Y>
 32 | </Location>
 33 | <BeforeBlockId>414</BeforeBlockId>
 34 | <AfterBlockId>188</AfterBlockId>
 35 | <Sockets num-sockets="2">
 36 | <BlockConnector con-block-id="576" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
 37 | <BlockConnector con-block-id="577" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
 38 | </Sockets>
 39 | </Block>
 40 | <Block genus-name="true" id="577">
 41 | <Label>true</Label>
 42 | <Location>
 43 | <X>422</X>
 44 | <Y>397</Y>
 45 | </Location>
 46 | <Plug>
 47 | <BlockConnector con-block-id="575" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
 48 | </Plug>
 49 | </Block>
 50 | <Block genus-name="message" id="576">
 51 | <Label>CO2:</Label>
 52 | <Location>
 53 | <X>422</X>
 54 | <Y>373</Y>
 55 | </Location>
 56 | <Plug>
 57 | <BlockConnector con-block-id="575" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
 58 | </Plug>
 59 | <Sockets num-sockets="1">
 60 | <BlockConnector con-block-id="578" connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
 61 | </Sockets>
 62 | </Block>
 63 | <Block genus-name="delay" id="250">
 64 | <Location>
 65 | <X>248</X>
 66 | <Y>1185</Y>
 67 | </Location>
 68 | <BeforeBlockId>188</BeforeBlockId>
 69 | <Sockets num-sockets="1">
 70 | <BlockConnector con-block-id="251" connector-kind="socket" connector-type="number" init-type="number" label="Millisekunden" position-type="single"/>
 71 | </Sockets>
 72 | </Block>
 73 | <Block genus-name="number" id="251">
 74 | <Label>2000</Label>
 75 | <Location>
 76 | <X>392</X>
 77 | <Y>1188</Y>
 78 | </Location>
 79 | <Plug>
 80 | <BlockConnector con-block-id="250" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
 81 | </Plug>
 82 | </Block>
 83 | <Block genus-name="GetSCD30" id="417">
 84 | <Location>
 85 | <X>460</X>
 86 | <Y>308</Y>
 87 | </Location>
 88 | <Plug>
 89 | <BlockConnector con-block-id="414" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="single"/>
 90 | </Plug>
 91 | <Sockets num-sockets="1">
 92 | <BlockConnector con-block-id="418" connector-kind="socket" connector-type="number" init-type="number" label="Sensor" position-type="single"/>
 93 | </Sockets>
 94 | </Block>
 95 | <Block genus-name="SCD30VectorCO2" id="418">
 96 | <Label>CO2</Label>
 97 | <Location>
 98 | <X>686</X>
 99 | <Y>308</Y>
100 | </Location>
101 | <Plug>
102 | <BlockConnector con-block-id="417" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="single"/>
103 | </Plug>
104 | </Block>
105 | <Block genus-name="setter_variable_number" id="414">
106 | <Location>
107 | <X>248</X>
108 | <Y>281</Y>
109 | </Location>
110 | <BeforeBlockId>159</BeforeBlockId>
111 | <AfterBlockId>575</AfterBlockId>
112 | <Sockets num-sockets="2">
113 | <BlockConnector con-block-id="415" connector-kind="socket" connector-type="number" init-type="number" label="Variable" position-type="single"/>
114 | <BlockConnector con-block-id="417" connector-kind="socket" connector-type="number" init-type="number" label="Wert" position-type="single"/>
115 | </Sockets>
116 | </Block>
117 | <Block genus-name="variable_number" id="415">
118 | <Label>CO2</Label>
119 | <Location>
120 | <X>460</X>
121 | <Y>284</Y>
122 | </Location>
123 | <Plug>
124 | <BlockConnector con-block-id="414" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
125 | </Plug>
126 | </Block>
127 | <Block genus-name="ifelse" id="188">
128 | <Location>
129 | <X>248</X>
130 | <Y>424</Y>
131 | </Location>
132 | <BeforeBlockId>575</BeforeBlockId>
133 | <AfterBlockId>250</AfterBlockId>
134 | <Sockets num-sockets="3">
135 | <BlockConnector con-block-id="190" connector-kind="socket" connector-type="boolean" init-type="boolean" label="teste" position-type="single"/>
136 | <BlockConnector con-block-id="199" connector-kind="socket" connector-type="cmd" init-type="cmd" label="dann" position-type="single"/>
137 | <BlockConnector con-block-id="208" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
138 | </Sockets>
139 | </Block>
140 | <Block genus-name="ifelse" id="208">
141 | <Label>Falls/sonst</Label>
142 | <Location>
143 | <X>382</X>
144 | <Y>687</Y>
145 | </Location>
146 | <BeforeBlockId>188</BeforeBlockId>
147 | <Sockets num-sockets="3">
148 | <BlockConnector con-block-id="209" connector-kind="socket" connector-type="boolean" init-type="boolean" label="teste" position-type="single"/>
149 | <BlockConnector con-block-id="212" connector-kind="socket" connector-type="cmd" init-type="cmd" label="dann" position-type="single"/>
150 | <BlockConnector con-block-id="221" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
151 | </Sockets>
152 | </Block>
153 | <Block genus-name="pin-write-digitalLED" id="221">
154 | <Label>LED</Label>
155 | <Location>
156 | <X>516</X>
157 | <Y>950</Y>
158 | </Location>
159 | <BeforeBlockId>208</BeforeBlockId>
160 | <AfterBlockId>224</AfterBlockId>
161 | <Sockets num-sockets="2">
162 | <BlockConnector con-block-id="222" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
163 | <BlockConnector con-block-id="223" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
164 | </Sockets>
165 | </Block>
166 | <Block genus-name="pin-write-digitalLED" id="224">
167 | <Label>LED</Label>
168 | <Location>
169 | <X>516</X>
170 | <Y>1004</Y>
171 | </Location>
172 | <BeforeBlockId>221</BeforeBlockId>
173 | <AfterBlockId>227</AfterBlockId>
174 | <Sockets num-sockets="2">
175 | <BlockConnector con-block-id="225" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
176 | <BlockConnector con-block-id="226" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
177 | </Sockets>
178 | </Block>
179 | <Block genus-name="pin-write-digitalLED" id="227">
180 | <Label>LED</Label>
181 | <Location>
182 | <X>516</X>
183 | <Y>1058</Y>
184 | </Location>
185 | <BeforeBlockId>224</BeforeBlockId>
186 | <AfterBlockId>236</AfterBlockId>
187 | <Sockets num-sockets="2">
188 | <BlockConnector con-block-id="228" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
189 | <BlockConnector con-block-id="229" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
190 | </Sockets>
191 | </Block>
192 | <Block genus-name="serial_print" id="236">
193 | <Label>Serial print</Label>
194 | <Location>
195 | <X>516</X>
196 | <Y>1112</Y>
197 | </Location>
198 | <BeforeBlockId>227</BeforeBlockId>
199 | <Sockets num-sockets="2">
200 | <BlockConnector con-block-id="237" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
201 | <BlockConnector con-block-id="238" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
202 | </Sockets>
203 | </Block>
204 | <Block genus-name="true" id="238">
205 | <Label>true</Label>
206 | <Location>
207 | <X>690</X>
208 | <Y>1139</Y>
209 | </Location>
210 | <Plug>
211 | <BlockConnector con-block-id="236" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
212 | </Plug>
213 | </Block>
214 | <Block genus-name="message" id="237">
215 | <Label>red</Label>
216 | <Location>
217 | <X>690</X>
218 | <Y>1115</Y>
219 | </Location>
220 | <Plug>
221 | <BlockConnector con-block-id="236" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
222 | </Plug>
223 | <Sockets num-sockets="1">
224 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
225 | </Sockets>
226 | </Block>
227 | <Block genus-name="digital-low" id="229">
228 | <Location>
229 | <X>658</X>
230 | <Y>1085</Y>
231 | </Location>
232 | <Plug>
233 | <BlockConnector con-block-id="227" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
234 | </Plug>
235 | </Block>
236 | <Block genus-name="number" id="228">
237 | <Label>14</Label>
238 | <Location>
239 | <X>658</X>
240 | <Y>1061</Y>
241 | </Location>
242 | <Plug>
243 | <BlockConnector con-block-id="227" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
244 | </Plug>
245 | </Block>
246 | <Block genus-name="digital-low" id="226">
247 | <Label>LOW (FALSCH)</Label>
248 | <Location>
249 | <X>658</X>
250 | <Y>1031</Y>
251 | </Location>
252 | <Plug>
253 | <BlockConnector con-block-id="224" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
254 | </Plug>
255 | </Block>
256 | <Block genus-name="number" id="225">
257 | <Label>13</Label>
258 | <Location>
259 | <X>658</X>
260 | <Y>1007</Y>
261 | </Location>
262 | <Plug>
263 | <BlockConnector con-block-id="224" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
264 | </Plug>
265 | </Block>
266 | <Block genus-name="digital-high" id="223">
267 | <Location>
268 | <X>658</X>
269 | <Y>977</Y>
270 | </Location>
271 | <Plug>
272 | <BlockConnector con-block-id="221" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
273 | </Plug>
274 | </Block>
275 | <Block genus-name="number" id="222">
276 | <Label>12</Label>
277 | <Location>
278 | <X>658</X>
279 | <Y>953</Y>
280 | </Location>
281 | <Plug>
282 | <BlockConnector con-block-id="221" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
283 | </Plug>
284 | </Block>
285 | <Block genus-name="pin-write-digitalLED" id="212">
286 | <Label>LED</Label>
287 | <Location>
288 | <X>517</X>
289 | <Y>723</Y>
290 | </Location>
291 | <BeforeBlockId>208</BeforeBlockId>
292 | <AfterBlockId>215</AfterBlockId>
293 | <Sockets num-sockets="2">
294 | <BlockConnector con-block-id="213" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
295 | <BlockConnector con-block-id="214" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
296 | </Sockets>
297 | </Block>
298 | <Block genus-name="pin-write-digitalLED" id="215">
299 | <Label>LED</Label>
300 | <Location>
301 | <X>517</X>
302 | <Y>777</Y>
303 | </Location>
304 | <BeforeBlockId>212</BeforeBlockId>
305 | <AfterBlockId>218</AfterBlockId>
306 | <Sockets num-sockets="2">
307 | <BlockConnector con-block-id="216" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
308 | <BlockConnector con-block-id="217" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
309 | </Sockets>
310 | </Block>
311 | <Block genus-name="pin-write-digitalLED" id="218">
312 | <Label>LED</Label>
313 | <Location>
314 | <X>517</X>
315 | <Y>831</Y>
316 | </Location>
317 | <BeforeBlockId>215</BeforeBlockId>
318 | <AfterBlockId>233</AfterBlockId>
319 | <Sockets num-sockets="2">
320 | <BlockConnector con-block-id="219" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
321 | <BlockConnector con-block-id="220" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
322 | </Sockets>
323 | </Block>
324 | <Block genus-name="serial_print" id="233">
325 | <Label>Serial print</Label>
326 | <Location>
327 | <X>517</X>
328 | <Y>885</Y>
329 | </Location>
330 | <BeforeBlockId>218</BeforeBlockId>
331 | <Sockets num-sockets="2">
332 | <BlockConnector con-block-id="234" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
333 | <BlockConnector con-block-id="235" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
334 | </Sockets>
335 | </Block>
336 | <Block genus-name="true" id="235">
337 | <Label>true</Label>
338 | <Location>
339 | <X>691</X>
340 | <Y>912</Y>
341 | </Location>
342 | <Plug>
343 | <BlockConnector con-block-id="233" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
344 | </Plug>
345 | </Block>
346 | <Block genus-name="message" id="234">
347 | <Label>yellow</Label>
348 | <Location>
349 | <X>691</X>
350 | <Y>888</Y>
351 | </Location>
352 | <Plug>
353 | <BlockConnector con-block-id="233" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
354 | </Plug>
355 | <Sockets num-sockets="1">
356 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
357 | </Sockets>
358 | </Block>
359 | <Block genus-name="digital-low" id="220">
360 | <Label>LOW (FALSCH)</Label>
361 | <Location>
362 | <X>659</X>
363 | <Y>858</Y>
364 | </Location>
365 | <Plug>
366 | <BlockConnector con-block-id="218" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
367 | </Plug>
368 | </Block>
369 | <Block genus-name="number" id="219">
370 | <Label>14</Label>
371 | <Location>
372 | <X>659</X>
373 | <Y>834</Y>
374 | </Location>
375 | <Plug>
376 | <BlockConnector con-block-id="218" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
377 | </Plug>
378 | </Block>
379 | <Block genus-name="digital-high" id="217">
380 | <Location>
381 | <X>659</X>
382 | <Y>804</Y>
383 | </Location>
384 | <Plug>
385 | <BlockConnector con-block-id="215" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
386 | </Plug>
387 | </Block>
388 | <Block genus-name="number" id="216">
389 | <Label>13</Label>
390 | <Location>
391 | <X>659</X>
392 | <Y>780</Y>
393 | </Location>
394 | <Plug>
395 | <BlockConnector con-block-id="215" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
396 | </Plug>
397 | </Block>
398 | <Block genus-name="digital-low" id="214">
399 | <Location>
400 | <X>659</X>
401 | <Y>750</Y>
402 | </Location>
403 | <Plug>
404 | <BlockConnector con-block-id="212" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
405 | </Plug>
406 | </Block>
407 | <Block genus-name="number" id="213">
408 | <Label>12</Label>
409 | <Location>
410 | <X>659</X>
411 | <Y>726</Y>
412 | </Location>
413 | <Plug>
414 | <BlockConnector con-block-id="212" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
415 | </Plug>
416 | </Block>
417 | <Block genus-name="less" id="209">
418 | <Label>&lt;</Label>
419 | <Location>
420 | <X>520</X>
421 | <Y>690</Y>
422 | </Location>
423 | <Plug>
424 | <BlockConnector con-block-id="208" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
425 | </Plug>
426 | <Sockets num-sockets="2">
427 | <BlockConnector con-block-id="210" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
428 | <BlockConnector con-block-id="211" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
429 | </Sockets>
430 | </Block>
431 | <Block genus-name="number" id="211">
432 | <Label>1400</Label>
433 | <Location>
434 | <X>623</X>
435 | <Y>693</Y>
436 | </Location>
437 | <Plug>
438 | <BlockConnector con-block-id="209" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
439 | </Plug>
440 | </Block>
441 | <Block genus-name="variable_number" id="210">
442 | <Label>CO2</Label>
443 | <Location>
444 | <X>530</X>
445 | <Y>693</Y>
446 | </Location>
447 | <Plug>
448 | <BlockConnector con-block-id="209" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
449 | </Plug>
450 | </Block>
451 | <Block genus-name="pin-write-digitalLED" id="199">
452 | <Label>LED</Label>
453 | <Location>
454 | <X>383</X>
455 | <Y>460</Y>
456 | </Location>
457 | <BeforeBlockId>188</BeforeBlockId>
458 | <AfterBlockId>202</AfterBlockId>
459 | <Sockets num-sockets="2">
460 | <BlockConnector con-block-id="200" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
461 | <BlockConnector con-block-id="201" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
462 | </Sockets>
463 | </Block>
464 | <Block genus-name="pin-write-digitalLED" id="202">
465 | <Label>LED</Label>
466 | <Location>
467 | <X>383</X>
468 | <Y>514</Y>
469 | </Location>
470 | <BeforeBlockId>199</BeforeBlockId>
471 | <AfterBlockId>205</AfterBlockId>
472 | <Sockets num-sockets="2">
473 | <BlockConnector con-block-id="203" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
474 | <BlockConnector con-block-id="204" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
475 | </Sockets>
476 | </Block>
477 | <Block genus-name="pin-write-digitalLED" id="205">
478 | <Label>LED</Label>
479 | <Location>
480 | <X>383</X>
481 | <Y>568</Y>
482 | </Location>
483 | <BeforeBlockId>202</BeforeBlockId>
484 | <AfterBlockId>230</AfterBlockId>
485 | <Sockets num-sockets="2">
486 | <BlockConnector con-block-id="206" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
487 | <BlockConnector con-block-id="207" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
488 | </Sockets>
489 | </Block>
490 | <Block genus-name="serial_print" id="230">
491 | <Location>
492 | <X>383</X>
493 | <Y>622</Y>
494 | </Location>
495 | <BeforeBlockId>205</BeforeBlockId>
496 | <Sockets num-sockets="2">
497 | <BlockConnector con-block-id="231" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
498 | <BlockConnector con-block-id="232" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
499 | </Sockets>
500 | </Block>
501 | <Block genus-name="true" id="232">
502 | <Label>true</Label>
503 | <Location>
504 | <X>557</X>
505 | <Y>649</Y>
506 | </Location>
507 | <Plug>
508 | <BlockConnector con-block-id="230" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
509 | </Plug>
510 | </Block>
511 | <Block genus-name="message" id="231">
512 | <Label>green</Label>
513 | <Location>
514 | <X>557</X>
515 | <Y>625</Y>
516 | </Location>
517 | <Plug>
518 | <BlockConnector con-block-id="230" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
519 | </Plug>
520 | <Sockets num-sockets="1">
521 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
522 | </Sockets>
523 | </Block>
524 | <Block genus-name="digital-high" id="207">
525 | <Location>
526 | <X>525</X>
527 | <Y>595</Y>
528 | </Location>
529 | <Plug>
530 | <BlockConnector con-block-id="205" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
531 | </Plug>
532 | </Block>
533 | <Block genus-name="number" id="206">
534 | <Label>14</Label>
535 | <Location>
536 | <X>525</X>
537 | <Y>571</Y>
538 | </Location>
539 | <Plug>
540 | <BlockConnector con-block-id="205" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
541 | </Plug>
542 | </Block>
543 | <Block genus-name="digital-low" id="204">
544 | <Label>LOW (FALSCH)</Label>
545 | <Location>
546 | <X>525</X>
547 | <Y>541</Y>
548 | </Location>
549 | <Plug>
550 | <BlockConnector con-block-id="202" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
551 | </Plug>
552 | </Block>
553 | <Block genus-name="number" id="203">
554 | <Label>13</Label>
555 | <Location>
556 | <X>525</X>
557 | <Y>517</Y>
558 | </Location>
559 | <Plug>
560 | <BlockConnector con-block-id="202" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
561 | </Plug>
562 | </Block>
563 | <Block genus-name="digital-low" id="201">
564 | <Location>
565 | <X>525</X>
566 | <Y>487</Y>
567 | </Location>
568 | <Plug>
569 | <BlockConnector con-block-id="199" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
570 | </Plug>
571 | </Block>
572 | <Block genus-name="number" id="200">
573 | <Label>12</Label>
574 | <Location>
575 | <X>525</X>
576 | <Y>463</Y>
577 | </Location>
578 | <Plug>
579 | <BlockConnector con-block-id="199" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
580 | </Plug>
581 | </Block>
582 | <Block genus-name="less" id="190">
583 | <Location>
584 | <X>386</X>
585 | <Y>427</Y>
586 | </Location>
587 | <Plug>
588 | <BlockConnector con-block-id="188" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
589 | </Plug>
590 | <Sockets num-sockets="2">
591 | <BlockConnector con-block-id="191" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
592 | <BlockConnector con-block-id="192" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
593 | </Sockets>
594 | </Block>
595 | <Block genus-name="number" id="192">
596 | <Label>1000</Label>
597 | <Location>
598 | <X>489</X>
599 | <Y>430</Y>
600 | </Location>
601 | <Plug>
602 | <BlockConnector con-block-id="190" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
603 | </Plug>
604 | </Block>
605 | <Block genus-name="variable_number" id="191">
606 | <Label>CO2</Label>
607 | <Location>
608 | <X>396</X>
609 | <Y>430</Y>
610 | </Location>
611 | <Plug>
612 | <BlockConnector con-block-id="190" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
613 | </Plug>
614 | </Block>
615 | <Block genus-name="pin-write-digitalLED" id="166">
616 | <Location>
617 | <X>249</X>
618 | <Y>108</Y>
619 | </Location>
620 | <BeforeBlockId>159</BeforeBlockId>
621 | <AfterBlockId>169</AfterBlockId>
622 | <Sockets num-sockets="2">
623 | <BlockConnector con-block-id="167" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
624 | <BlockConnector con-block-id="168" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
625 | </Sockets>
626 | </Block>
627 | <Block genus-name="pin-write-digitalLED" id="169">
628 | <Label>LED</Label>
629 | <Location>
630 | <X>249</X>
631 | <Y>162</Y>
632 | </Location>
633 | <BeforeBlockId>166</BeforeBlockId>
634 | <AfterBlockId>172</AfterBlockId>
635 | <Sockets num-sockets="2">
636 | <BlockConnector con-block-id="170" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
637 | <BlockConnector con-block-id="171" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
638 | </Sockets>
639 | </Block>
640 | <Block genus-name="pin-write-digitalLED" id="172">
641 | <Label>LED</Label>
642 | <Location>
643 | <X>249</X>
644 | <Y>216</Y>
645 | </Location>
646 | <BeforeBlockId>169</BeforeBlockId>
647 | <Sockets num-sockets="2">
648 | <BlockConnector con-block-id="173" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
649 | <BlockConnector con-block-id="174" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
650 | </Sockets>
651 | </Block>
652 | <Block genus-name="digital-low" id="174">
653 | <Location>
654 | <X>391</X>
655 | <Y>243</Y>
656 | </Location>
657 | <Plug>
658 | <BlockConnector con-block-id="172" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
659 | </Plug>
660 | </Block>
661 | <Block genus-name="number" id="173">
662 | <Label>14</Label>
663 | <Location>
664 | <X>391</X>
665 | <Y>219</Y>
666 | </Location>
667 | <Plug>
668 | <BlockConnector con-block-id="172" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
669 | </Plug>
670 | </Block>
671 | <Block genus-name="digital-low" id="171">
672 | <Location>
673 | <X>391</X>
674 | <Y>189</Y>
675 | </Location>
676 | <Plug>
677 | <BlockConnector con-block-id="169" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
678 | </Plug>
679 | </Block>
680 | <Block genus-name="number" id="170">
681 | <Label>13</Label>
682 | <Location>
683 | <X>391</X>
684 | <Y>165</Y>
685 | </Location>
686 | <Plug>
687 | <BlockConnector con-block-id="169" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
688 | </Plug>
689 | </Block>
690 | <Block genus-name="digital-low" id="168">
691 | <Location>
692 | <X>391</X>
693 | <Y>135</Y>
694 | </Location>
695 | <Plug>
696 | <BlockConnector con-block-id="166" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
697 | </Plug>
698 | </Block>
699 | <Block genus-name="number" id="167">
700 | <Label>12</Label>
701 | <Location>
702 | <X>391</X>
703 | <Y>111</Y>
704 | </Location>
705 | <Plug>
706 | <BlockConnector con-block-id="166" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
707 | </Plug>
708 | </Block>
709 | <Block genus-name="program" id="159">
710 | <Location>
711 | <X>100</X>
712 | <Y>100</Y>
713 | </Location>
714 | <Sockets num-sockets="2">
715 | <BlockConnector con-block-id="166" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Setup" position-type="single"/>
716 | <BlockConnector con-block-id="414" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Schleife" position-type="single"/>
717 | </Sockets>
718 | </Block>
719 | </PageBlocks>
720 | </Page>
721 | </Pages>
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525 | <BlockConnector con-block-id="443" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Farbe" position-type="single"/>
526 | </Sockets>
527 | </Block>
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531 | <Y>416</Y>
532 | </Location>
533 | <Plug>
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535 | </Plug>
536 | </Block>
537 | <Block genus-name="neo-rechts" id="442">
538 | <Label>Rechts</Label>
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541 | <Y>392</Y>
542 | </Location>
543 | <Plug>
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546 | </Block>
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577 | </Block>
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588 | <BlockConnector con-block-id="447" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
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590 | </Block>
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639 | <Y>359</Y>
640 | </Location>
641 | <Plug>
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643 | </Plug>
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652 | </Plug>
653 | <Sockets num-sockets="2">
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655 | <BlockConnector con-block-id="183" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
656 | </Sockets>
657 | </Block>
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661 | <Y>353</Y>
662 | </Location>
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664 | <AfterBlockId>454</AfterBlockId>
665 | <Sockets num-sockets="3">
666 | <BlockConnector con-block-id="181" connector-kind="socket" connector-type="boolean" init-type="boolean" label="teste" position-type="single"/>
667 | <BlockConnector con-block-id="441" connector-kind="socket" connector-type="cmd" init-type="cmd" label="dann" position-type="single"/>
668 | <BlockConnector con-block-id="187" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
669 | </Sockets>
670 | </Block>
671 | <Block genus-name="GetSCD30" id="178">
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673 | <X>460</X>
674 | <Y>220</Y>
675 | </Location>
676 | <Plug>
677 | <BlockConnector con-block-id="175" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="single"/>
678 | </Plug>
679 | <Sockets num-sockets="1">
680 | <BlockConnector con-block-id="179" connector-kind="socket" connector-type="number" init-type="number" label="Sensor" position-type="single"/>
681 | </Sockets>
682 | </Block>
683 | <Block genus-name="SCD30VectorCO2" id="179">
684 | <Label>CO2</Label>
685 | <Location>
686 | <X>686</X>
687 | <Y>220</Y>
688 | </Location>
689 | <Plug>
690 | <BlockConnector con-block-id="178" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="single"/>
691 | </Plug>
692 | </Block>
693 | <Block genus-name="setter_variable_number" id="175">
694 | <Location>
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696 | <Y>193</Y>
697 | </Location>
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699 | <AfterBlockId>450</AfterBlockId>
700 | <Sockets num-sockets="2">
701 | <BlockConnector con-block-id="176" connector-kind="socket" connector-type="number" init-type="number" label="Variable" position-type="single"/>
702 | <BlockConnector con-block-id="178" connector-kind="socket" connector-type="number" init-type="number" label="Wert" position-type="single"/>
703 | </Sockets>
704 | </Block>
705 | <Block genus-name="variable_number" id="176">
706 | <Label>CO2</Label>
707 | <Location>
708 | <X>460</X>
709 | <Y>196</Y>
710 | </Location>
711 | <Plug>
712 | <BlockConnector con-block-id="175" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
713 | </Plug>
714 | </Block>
715 | <Block genus-name="program" id="174">
716 | <Location>
717 | <X>100</X>
718 | <Y>100</Y>
719 | </Location>
720 | <Sockets num-sockets="2">
721 | <BlockConnector con-block-id="264" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Setup" position-type="single"/>
722 | <BlockConnector con-block-id="175" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Schleife" position-type="single"/>
723 | </Sockets>
724 | </Block>
725 | </PageBlocks>
726 | </Page>
727 | </Pages>
728 | </cb:CODEBLOCKS>
729 | 


--------------------------------------------------------------------------------
/CO2-Ampel-DIY-Octopus-SCD30-WEB-AP-CAL.abp:
--------------------------------------------------------------------------------
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104 | <Plug>
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251 | <BlockConnector con-block-id="577" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
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325 | <AfterBlockId>575</AfterBlockId>
326 | <Sockets num-sockets="2">
327 | <BlockConnector con-block-id="415" connector-kind="socket" connector-type="number" init-type="number" label="Variable" position-type="single"/>
328 | <BlockConnector con-block-id="417" connector-kind="socket" connector-type="number" init-type="number" label="Wert" position-type="single"/>
329 | </Sockets>
330 | </Block>
331 | <Block genus-name="variable_number" id="415">
332 | <Label>CO2</Label>
333 | <Location>
334 | <X>460</X>
335 | <Y>358</Y>
336 | </Location>
337 | <Plug>
338 | <BlockConnector con-block-id="414" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
339 | </Plug>
340 | </Block>
341 | <Block genus-name="ifelse" id="188">
342 | <Location>
343 | <X>248</X>
344 | <Y>522</Y>
345 | </Location>
346 | <BeforeBlockId>762</BeforeBlockId>
347 | <AfterBlockId>250</AfterBlockId>
348 | <Sockets num-sockets="3">
349 | <BlockConnector con-block-id="190" connector-kind="socket" connector-type="boolean" init-type="boolean" label="teste" position-type="single"/>
350 | <BlockConnector con-block-id="199" connector-kind="socket" connector-type="cmd" init-type="cmd" label="dann" position-type="single"/>
351 | <BlockConnector con-block-id="208" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
352 | </Sockets>
353 | </Block>
354 | <Block genus-name="ifelse" id="208">
355 | <Label>Falls/sonst</Label>
356 | <Location>
357 | <X>382</X>
358 | <Y>785</Y>
359 | </Location>
360 | <BeforeBlockId>188</BeforeBlockId>
361 | <Sockets num-sockets="3">
362 | <BlockConnector con-block-id="209" connector-kind="socket" connector-type="boolean" init-type="boolean" label="teste" position-type="single"/>
363 | <BlockConnector con-block-id="212" connector-kind="socket" connector-type="cmd" init-type="cmd" label="dann" position-type="single"/>
364 | <BlockConnector con-block-id="221" connector-kind="socket" connector-type="cmd" init-type="cmd" label="sonst" position-type="single"/>
365 | </Sockets>
366 | </Block>
367 | <Block genus-name="pin-write-digitalLED" id="221">
368 | <Label>LED</Label>
369 | <Location>
370 | <X>516</X>
371 | <Y>1048</Y>
372 | </Location>
373 | <BeforeBlockId>208</BeforeBlockId>
374 | <AfterBlockId>224</AfterBlockId>
375 | <Sockets num-sockets="2">
376 | <BlockConnector con-block-id="222" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
377 | <BlockConnector con-block-id="223" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
378 | </Sockets>
379 | </Block>
380 | <Block genus-name="pin-write-digitalLED" id="224">
381 | <Label>LED</Label>
382 | <Location>
383 | <X>516</X>
384 | <Y>1102</Y>
385 | </Location>
386 | <BeforeBlockId>221</BeforeBlockId>
387 | <AfterBlockId>227</AfterBlockId>
388 | <Sockets num-sockets="2">
389 | <BlockConnector con-block-id="225" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
390 | <BlockConnector con-block-id="226" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
391 | </Sockets>
392 | </Block>
393 | <Block genus-name="pin-write-digitalLED" id="227">
394 | <Label>LED</Label>
395 | <Location>
396 | <X>516</X>
397 | <Y>1156</Y>
398 | </Location>
399 | <BeforeBlockId>224</BeforeBlockId>
400 | <AfterBlockId>236</AfterBlockId>
401 | <Sockets num-sockets="2">
402 | <BlockConnector con-block-id="228" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
403 | <BlockConnector con-block-id="229" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
404 | </Sockets>
405 | </Block>
406 | <Block genus-name="serial_print" id="236">
407 | <Label>Serial print</Label>
408 | <Location>
409 | <X>516</X>
410 | <Y>1210</Y>
411 | </Location>
412 | <BeforeBlockId>227</BeforeBlockId>
413 | <Sockets num-sockets="2">
414 | <BlockConnector con-block-id="237" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
415 | <BlockConnector con-block-id="238" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
416 | </Sockets>
417 | </Block>
418 | <Block genus-name="true" id="238">
419 | <Label>true</Label>
420 | <Location>
421 | <X>690</X>
422 | <Y>1237</Y>
423 | </Location>
424 | <Plug>
425 | <BlockConnector con-block-id="236" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
426 | </Plug>
427 | </Block>
428 | <Block genus-name="message" id="237">
429 | <Label>red</Label>
430 | <Location>
431 | <X>690</X>
432 | <Y>1213</Y>
433 | </Location>
434 | <Plug>
435 | <BlockConnector con-block-id="236" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
436 | </Plug>
437 | <Sockets num-sockets="1">
438 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
439 | </Sockets>
440 | </Block>
441 | <Block genus-name="digital-low" id="229">
442 | <Location>
443 | <X>658</X>
444 | <Y>1183</Y>
445 | </Location>
446 | <Plug>
447 | <BlockConnector con-block-id="227" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
448 | </Plug>
449 | </Block>
450 | <Block genus-name="number" id="228">
451 | <Label>14</Label>
452 | <Location>
453 | <X>658</X>
454 | <Y>1159</Y>
455 | </Location>
456 | <Plug>
457 | <BlockConnector con-block-id="227" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
458 | </Plug>
459 | </Block>
460 | <Block genus-name="digital-low" id="226">
461 | <Label>LOW (FALSCH)</Label>
462 | <Location>
463 | <X>658</X>
464 | <Y>1129</Y>
465 | </Location>
466 | <Plug>
467 | <BlockConnector con-block-id="224" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
468 | </Plug>
469 | </Block>
470 | <Block genus-name="number" id="225">
471 | <Label>13</Label>
472 | <Location>
473 | <X>658</X>
474 | <Y>1105</Y>
475 | </Location>
476 | <Plug>
477 | <BlockConnector con-block-id="224" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
478 | </Plug>
479 | </Block>
480 | <Block genus-name="digital-high" id="223">
481 | <Location>
482 | <X>658</X>
483 | <Y>1075</Y>
484 | </Location>
485 | <Plug>
486 | <BlockConnector con-block-id="221" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
487 | </Plug>
488 | </Block>
489 | <Block genus-name="number" id="222">
490 | <Label>12</Label>
491 | <Location>
492 | <X>658</X>
493 | <Y>1051</Y>
494 | </Location>
495 | <Plug>
496 | <BlockConnector con-block-id="221" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
497 | </Plug>
498 | </Block>
499 | <Block genus-name="pin-write-digitalLED" id="212">
500 | <Label>LED</Label>
501 | <Location>
502 | <X>517</X>
503 | <Y>821</Y>
504 | </Location>
505 | <BeforeBlockId>208</BeforeBlockId>
506 | <AfterBlockId>215</AfterBlockId>
507 | <Sockets num-sockets="2">
508 | <BlockConnector con-block-id="213" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
509 | <BlockConnector con-block-id="214" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
510 | </Sockets>
511 | </Block>
512 | <Block genus-name="pin-write-digitalLED" id="215">
513 | <Label>LED</Label>
514 | <Location>
515 | <X>517</X>
516 | <Y>875</Y>
517 | </Location>
518 | <BeforeBlockId>212</BeforeBlockId>
519 | <AfterBlockId>218</AfterBlockId>
520 | <Sockets num-sockets="2">
521 | <BlockConnector con-block-id="216" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
522 | <BlockConnector con-block-id="217" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
523 | </Sockets>
524 | </Block>
525 | <Block genus-name="pin-write-digitalLED" id="218">
526 | <Label>LED</Label>
527 | <Location>
528 | <X>517</X>
529 | <Y>929</Y>
530 | </Location>
531 | <BeforeBlockId>215</BeforeBlockId>
532 | <AfterBlockId>233</AfterBlockId>
533 | <Sockets num-sockets="2">
534 | <BlockConnector con-block-id="219" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
535 | <BlockConnector con-block-id="220" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
536 | </Sockets>
537 | </Block>
538 | <Block genus-name="serial_print" id="233">
539 | <Label>Serial print</Label>
540 | <Location>
541 | <X>517</X>
542 | <Y>983</Y>
543 | </Location>
544 | <BeforeBlockId>218</BeforeBlockId>
545 | <Sockets num-sockets="2">
546 | <BlockConnector con-block-id="234" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
547 | <BlockConnector con-block-id="235" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
548 | </Sockets>
549 | </Block>
550 | <Block genus-name="true" id="235">
551 | <Label>true</Label>
552 | <Location>
553 | <X>691</X>
554 | <Y>1010</Y>
555 | </Location>
556 | <Plug>
557 | <BlockConnector con-block-id="233" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
558 | </Plug>
559 | </Block>
560 | <Block genus-name="message" id="234">
561 | <Label>yellow</Label>
562 | <Location>
563 | <X>691</X>
564 | <Y>986</Y>
565 | </Location>
566 | <Plug>
567 | <BlockConnector con-block-id="233" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
568 | </Plug>
569 | <Sockets num-sockets="1">
570 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
571 | </Sockets>
572 | </Block>
573 | <Block genus-name="digital-low" id="220">
574 | <Label>LOW (FALSCH)</Label>
575 | <Location>
576 | <X>659</X>
577 | <Y>956</Y>
578 | </Location>
579 | <Plug>
580 | <BlockConnector con-block-id="218" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
581 | </Plug>
582 | </Block>
583 | <Block genus-name="number" id="219">
584 | <Label>14</Label>
585 | <Location>
586 | <X>659</X>
587 | <Y>932</Y>
588 | </Location>
589 | <Plug>
590 | <BlockConnector con-block-id="218" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
591 | </Plug>
592 | </Block>
593 | <Block genus-name="digital-high" id="217">
594 | <Location>
595 | <X>659</X>
596 | <Y>902</Y>
597 | </Location>
598 | <Plug>
599 | <BlockConnector con-block-id="215" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
600 | </Plug>
601 | </Block>
602 | <Block genus-name="number" id="216">
603 | <Label>13</Label>
604 | <Location>
605 | <X>659</X>
606 | <Y>878</Y>
607 | </Location>
608 | <Plug>
609 | <BlockConnector con-block-id="215" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
610 | </Plug>
611 | </Block>
612 | <Block genus-name="digital-low" id="214">
613 | <Location>
614 | <X>659</X>
615 | <Y>848</Y>
616 | </Location>
617 | <Plug>
618 | <BlockConnector con-block-id="212" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
619 | </Plug>
620 | </Block>
621 | <Block genus-name="number" id="213">
622 | <Label>12</Label>
623 | <Location>
624 | <X>659</X>
625 | <Y>824</Y>
626 | </Location>
627 | <Plug>
628 | <BlockConnector con-block-id="212" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
629 | </Plug>
630 | </Block>
631 | <Block genus-name="less" id="209">
632 | <Label>&lt;</Label>
633 | <Location>
634 | <X>520</X>
635 | <Y>788</Y>
636 | </Location>
637 | <Plug>
638 | <BlockConnector con-block-id="208" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
639 | </Plug>
640 | <Sockets num-sockets="2">
641 | <BlockConnector con-block-id="210" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
642 | <BlockConnector con-block-id="211" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
643 | </Sockets>
644 | </Block>
645 | <Block genus-name="number" id="211">
646 | <Label>1400</Label>
647 | <Location>
648 | <X>623</X>
649 | <Y>791</Y>
650 | </Location>
651 | <Plug>
652 | <BlockConnector con-block-id="209" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
653 | </Plug>
654 | </Block>
655 | <Block genus-name="variable_number" id="210">
656 | <Label>CO2</Label>
657 | <Location>
658 | <X>530</X>
659 | <Y>791</Y>
660 | </Location>
661 | <Plug>
662 | <BlockConnector con-block-id="209" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
663 | </Plug>
664 | </Block>
665 | <Block genus-name="pin-write-digitalLED" id="199">
666 | <Label>LED</Label>
667 | <Location>
668 | <X>383</X>
669 | <Y>558</Y>
670 | </Location>
671 | <BeforeBlockId>188</BeforeBlockId>
672 | <AfterBlockId>202</AfterBlockId>
673 | <Sockets num-sockets="2">
674 | <BlockConnector con-block-id="200" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
675 | <BlockConnector con-block-id="201" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
676 | </Sockets>
677 | </Block>
678 | <Block genus-name="pin-write-digitalLED" id="202">
679 | <Label>LED</Label>
680 | <Location>
681 | <X>383</X>
682 | <Y>612</Y>
683 | </Location>
684 | <BeforeBlockId>199</BeforeBlockId>
685 | <AfterBlockId>205</AfterBlockId>
686 | <Sockets num-sockets="2">
687 | <BlockConnector con-block-id="203" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
688 | <BlockConnector con-block-id="204" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
689 | </Sockets>
690 | </Block>
691 | <Block genus-name="pin-write-digitalLED" id="205">
692 | <Label>LED</Label>
693 | <Location>
694 | <X>383</X>
695 | <Y>666</Y>
696 | </Location>
697 | <BeforeBlockId>202</BeforeBlockId>
698 | <AfterBlockId>230</AfterBlockId>
699 | <Sockets num-sockets="2">
700 | <BlockConnector con-block-id="206" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
701 | <BlockConnector con-block-id="207" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
702 | </Sockets>
703 | </Block>
704 | <Block genus-name="serial_print" id="230">
705 | <Location>
706 | <X>383</X>
707 | <Y>720</Y>
708 | </Location>
709 | <BeforeBlockId>205</BeforeBlockId>
710 | <Sockets num-sockets="2">
711 | <BlockConnector con-block-id="231" connector-kind="socket" connector-type="string" init-type="string" label="Text" position-type="single"/>
712 | <BlockConnector con-block-id="232" connector-kind="socket" connector-type="boolean" init-type="boolean" label="neue Zeile" position-type="single"/>
713 | </Sockets>
714 | </Block>
715 | <Block genus-name="true" id="232">
716 | <Label>true</Label>
717 | <Location>
718 | <X>557</X>
719 | <Y>747</Y>
720 | </Location>
721 | <Plug>
722 | <BlockConnector con-block-id="230" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
723 | </Plug>
724 | </Block>
725 | <Block genus-name="message" id="231">
726 | <Label>green</Label>
727 | <Location>
728 | <X>557</X>
729 | <Y>723</Y>
730 | </Location>
731 | <Plug>
732 | <BlockConnector con-block-id="230" connector-kind="plug" connector-type="string" init-type="string" label="" position-type="single"/>
733 | </Plug>
734 | <Sockets num-sockets="1">
735 | <BlockConnector connector-kind="socket" connector-type="string" init-type="string" label="" position-type="single"/>
736 | </Sockets>
737 | </Block>
738 | <Block genus-name="digital-high" id="207">
739 | <Location>
740 | <X>525</X>
741 | <Y>693</Y>
742 | </Location>
743 | <Plug>
744 | <BlockConnector con-block-id="205" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
745 | </Plug>
746 | </Block>
747 | <Block genus-name="number" id="206">
748 | <Label>14</Label>
749 | <Location>
750 | <X>525</X>
751 | <Y>669</Y>
752 | </Location>
753 | <Plug>
754 | <BlockConnector con-block-id="205" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
755 | </Plug>
756 | </Block>
757 | <Block genus-name="digital-low" id="204">
758 | <Label>LOW (FALSCH)</Label>
759 | <Location>
760 | <X>525</X>
761 | <Y>639</Y>
762 | </Location>
763 | <Plug>
764 | <BlockConnector con-block-id="202" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
765 | </Plug>
766 | </Block>
767 | <Block genus-name="number" id="203">
768 | <Label>13</Label>
769 | <Location>
770 | <X>525</X>
771 | <Y>615</Y>
772 | </Location>
773 | <Plug>
774 | <BlockConnector con-block-id="202" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
775 | </Plug>
776 | </Block>
777 | <Block genus-name="digital-low" id="201">
778 | <Location>
779 | <X>525</X>
780 | <Y>585</Y>
781 | </Location>
782 | <Plug>
783 | <BlockConnector con-block-id="199" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
784 | </Plug>
785 | </Block>
786 | <Block genus-name="number" id="200">
787 | <Label>12</Label>
788 | <Location>
789 | <X>525</X>
790 | <Y>561</Y>
791 | </Location>
792 | <Plug>
793 | <BlockConnector con-block-id="199" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
794 | </Plug>
795 | </Block>
796 | <Block genus-name="less" id="190">
797 | <Location>
798 | <X>386</X>
799 | <Y>525</Y>
800 | </Location>
801 | <Plug>
802 | <BlockConnector con-block-id="188" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
803 | </Plug>
804 | <Sockets num-sockets="2">
805 | <BlockConnector con-block-id="191" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
806 | <BlockConnector con-block-id="192" connector-kind="socket" connector-type="number" init-type="number" label="" position-type="bottom"/>
807 | </Sockets>
808 | </Block>
809 | <Block genus-name="number" id="192">
810 | <Label>1000</Label>
811 | <Location>
812 | <X>489</X>
813 | <Y>528</Y>
814 | </Location>
815 | <Plug>
816 | <BlockConnector con-block-id="190" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
817 | </Plug>
818 | </Block>
819 | <Block genus-name="variable_number" id="191">
820 | <Label>CO2</Label>
821 | <Location>
822 | <X>396</X>
823 | <Y>528</Y>
824 | </Location>
825 | <Plug>
826 | <BlockConnector con-block-id="190" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
827 | </Plug>
828 | </Block>
829 | <Block genus-name="pin-write-digitalLED" id="166">
830 | <Location>
831 | <X>249</X>
832 | <Y>181</Y>
833 | </Location>
834 | <BeforeBlockId>750</BeforeBlockId>
835 | <AfterBlockId>169</AfterBlockId>
836 | <Sockets num-sockets="2">
837 | <BlockConnector con-block-id="167" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
838 | <BlockConnector con-block-id="168" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
839 | </Sockets>
840 | </Block>
841 | <Block genus-name="pin-write-digitalLED" id="169">
842 | <Label>LED</Label>
843 | <Location>
844 | <X>249</X>
845 | <Y>235</Y>
846 | </Location>
847 | <BeforeBlockId>166</BeforeBlockId>
848 | <AfterBlockId>172</AfterBlockId>
849 | <Sockets num-sockets="2">
850 | <BlockConnector con-block-id="170" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
851 | <BlockConnector con-block-id="171" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
852 | </Sockets>
853 | </Block>
854 | <Block genus-name="pin-write-digitalLED" id="172">
855 | <Label>LED</Label>
856 | <Location>
857 | <X>249</X>
858 | <Y>289</Y>
859 | </Location>
860 | <BeforeBlockId>169</BeforeBlockId>
861 | <Sockets num-sockets="2">
862 | <BlockConnector con-block-id="173" connector-kind="socket" connector-type="number" init-type="number" label="pin" position-type="single"/>
863 | <BlockConnector con-block-id="174" connector-kind="socket" connector-type="boolean" init-type="boolean" label="Wert" position-type="single"/>
864 | </Sockets>
865 | </Block>
866 | <Block genus-name="digital-low" id="174">
867 | <Location>
868 | <X>391</X>
869 | <Y>316</Y>
870 | </Location>
871 | <Plug>
872 | <BlockConnector con-block-id="172" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
873 | </Plug>
874 | </Block>
875 | <Block genus-name="number" id="173">
876 | <Label>14</Label>
877 | <Location>
878 | <X>391</X>
879 | <Y>292</Y>
880 | </Location>
881 | <Plug>
882 | <BlockConnector con-block-id="172" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
883 | </Plug>
884 | </Block>
885 | <Block genus-name="digital-low" id="171">
886 | <Location>
887 | <X>391</X>
888 | <Y>262</Y>
889 | </Location>
890 | <Plug>
891 | <BlockConnector con-block-id="169" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
892 | </Plug>
893 | </Block>
894 | <Block genus-name="number" id="170">
895 | <Label>13</Label>
896 | <Location>
897 | <X>391</X>
898 | <Y>238</Y>
899 | </Location>
900 | <Plug>
901 | <BlockConnector con-block-id="169" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
902 | </Plug>
903 | </Block>
904 | <Block genus-name="digital-low" id="168">
905 | <Location>
906 | <X>391</X>
907 | <Y>208</Y>
908 | </Location>
909 | <Plug>
910 | <BlockConnector con-block-id="166" connector-kind="plug" connector-type="boolean" init-type="boolean" label="" position-type="mirror"/>
911 | </Plug>
912 | </Block>
913 | <Block genus-name="number" id="167">
914 | <Label>12</Label>
915 | <Location>
916 | <X>391</X>
917 | <Y>184</Y>
918 | </Location>
919 | <Plug>
920 | <BlockConnector con-block-id="166" connector-kind="plug" connector-type="number" init-type="number" label="" position-type="mirror"/>
921 | </Plug>
922 | </Block>
923 | <Block genus-name="program" id="159">
924 | <Location>
925 | <X>100</X>
926 | <Y>100</Y>
927 | </Location>
928 | <Sockets num-sockets="2">
929 | <BlockConnector con-block-id="750" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Setup" position-type="single"/>
930 | <BlockConnector con-block-id="414" connector-kind="socket" connector-type="cmd" init-type="cmd" label="Schleife" position-type="single"/>
931 | </Sockets>
932 | </Block>
933 | </PageBlocks>
934 | </Page>
935 | </Pages>
936 | </cb:CODEBLOCKS>
937 | 


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