├── .travis.yml ├── README.md ├── embed_graph └── graph.html ├── soil_sensor_carriots └── soil_sensor_carriots.ino └── soil_sensor_test └── soil_sensor_test.ino /.travis.yml: -------------------------------------------------------------------------------- 1 | language: c 2 | before_install: 3 | - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16" 4 | - sleep 3 5 | - export DISPLAY=:1.0 6 | - wget http://downloads.arduino.cc/arduino-1.6.5-linux64.tar.xz 7 | - tar xf arduino-1.6.5-linux64.tar.xz 8 | - sudo mv arduino-1.6.5 /usr/local/share/arduino 9 | - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino 10 | install: 11 | - arduino --install-library "Adafruit CC3000 Library" 12 | - arduino --install-library "CC3000 MDNS" 13 | - arduino --install-library "aREST" 14 | script: 15 | - arduino --verify --board arduino:avr:uno $PWD/soil_sensor_carriots/soil_sensor_carriots.ino 16 | - arduino --verify --board arduino:avr:uno $PWD/soil_sensor_test/soil_sensor_test.ino 17 | notifications: 18 | email: 19 | on_success: change 20 | on_failure: change 21 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Wireless Gardening with Arduino & the CC3000 WiFi chip 2 | ========================== 3 | 4 | This is the code for the *Wireless Gardening with Arduino & the CC3000 WiFi chip* article on the Open Home Automation website. The article is about remotely measuring temperature & humidity with Arduino and the CC3000 WiFi chip and use it for gardening applications. 5 | 6 | You can find the article on the Open Home Automation website: 7 | 8 | http://www.openhomeautomation.net/wireless-gardening-arduino/ 9 | -------------------------------------------------------------------------------- /embed_graph/graph.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 |

5 | 6 | 7 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /soil_sensor_carriots/soil_sensor_carriots.ino: -------------------------------------------------------------------------------- 1 | /*************************************************** 2 | This is a sketch to interface a soil sensor & Carriots 3 | using the Adafruit CC3000 breakout board (or WiFi shield) 4 | 5 | Written by Marco Schwartz for Open Home Automation 6 | ****************************************************/ 7 | 8 | // Libraries 9 | #include 10 | #include 11 | #include 12 | #include 13 | #include "utility/debug.h" 14 | #include "DHT.h" 15 | #include 16 | #include 17 | 18 | // Define CC3000 chip pins 19 | #define ADAFRUIT_CC3000_IRQ 3 20 | #define ADAFRUIT_CC3000_VBAT 5 21 | #define ADAFRUIT_CC3000_CS 10 22 | 23 | // Soil sensor pins 24 | const uint8_t dataPin = 6; 25 | const uint8_t clockPin = 7; 26 | 27 | // Soil sensor variables 28 | float t; 29 | float h; 30 | float dewpoint; 31 | 32 | // Create soil sensor object 33 | Sensirion soilSensor = Sensirion(dataPin, clockPin); 34 | 35 | // Create CC3000 instances 36 | Adafruit_CC3000 cc3000 = Adafruit_CC3000(ADAFRUIT_CC3000_CS, ADAFRUIT_CC3000_IRQ, ADAFRUIT_CC3000_VBAT, 37 | SPI_CLOCK_DIV2); // you can change this clock speed 38 | 39 | // WLAN parameters 40 | #define WLAN_SSID "yourSSID" 41 | #define WLAN_PASS "yourPassword" 42 | // Security can be WLAN_SEC_UNSEC, WLAN_SEC_WEP, WLAN_SEC_WPA or WLAN_SEC_WPA2 43 | #define WLAN_SECURITY WLAN_SEC_WPA2 44 | 45 | // Carriots parameters 46 | #define WEBSITE "api.carriots.com" 47 | #define API_KEY "yourApiKey" 48 | #define DEVICE "yourDeviceName@yourUserName" 49 | 50 | uint32_t ip; 51 | 52 | void setup(void) 53 | { 54 | // Initialize 55 | Serial.begin(115200); 56 | 57 | Serial.println(F("\nInitializing...")); 58 | if (!cc3000.begin()) 59 | { 60 | Serial.println(F("Couldn't begin()! Check your wiring?")); 61 | while(1); 62 | } 63 | 64 | } 65 | 66 | void loop(void) 67 | { 68 | // Connect to WiFi network 69 | cc3000.connectToAP(WLAN_SSID, WLAN_PASS, WLAN_SECURITY); 70 | Serial.println(F("Connected!")); 71 | 72 | /* Wait for DHCP to complete */ 73 | Serial.println(F("Request DHCP")); 74 | while (!cc3000.checkDHCP()) 75 | { 76 | delay(100); 77 | } 78 | 79 | // Get the website IP & print it 80 | ip = 0; 81 | Serial.print(WEBSITE); Serial.print(F(" -> ")); 82 | while (ip == 0) { 83 | if (! cc3000.getHostByName(WEBSITE, &ip)) { 84 | Serial.println(F("Couldn't resolve!")); 85 | } 86 | delay(500); 87 | } 88 | cc3000.printIPdotsRev(ip); 89 | 90 | // Get data & transform to integers 91 | soilSensor.measure(&t, &h, &dewpoint); 92 | 93 | // Convert data to String 94 | String temperature = doubleToString(t,2); 95 | String humidity = doubleToString(h,2); 96 | 97 | // Prepare JSON for Carriots & get length 98 | int length = 0; 99 | 100 | String data = "{\"protocol\":\"v2\",\"device\":\""+String(DEVICE)+"\",\"at\":\"now\",\"data\":{\"Temperature\":"+String(temperature)+",\"Humidity\":"+String(humidity)+"}}"; 101 | 102 | length = data.length(); 103 | Serial.print("Data length"); 104 | Serial.println(length); 105 | Serial.println(); 106 | 107 | // Print request for debug purposes 108 | Serial.println("POST /streams HTTP/1.1"); 109 | Serial.println("Host: api.carriots.com"); 110 | Serial.println("Accept: application/json"); 111 | Serial.println("User-Agent: Arduino-Carriots"); 112 | Serial.println("Content-Type: application/json"); 113 | Serial.println("carriots.apikey: " + String(API_KEY)); 114 | Serial.println("Content-Length: " + String(length)); 115 | Serial.print("Connection: close"); 116 | Serial.println(); 117 | Serial.println(data); 118 | 119 | // Send request 120 | Adafruit_CC3000_Client client = cc3000.connectTCP(ip, 80); 121 | if (client.connected()) { 122 | Serial.println("Connected!"); 123 | client.println("POST /streams HTTP/1.1"); 124 | client.println("Host: api.carriots.com"); 125 | client.println("Accept: application/json"); 126 | client.println("User-Agent: Arduino-Carriots"); 127 | client.println("Content-Type: application/json"); 128 | client.println("carriots.apikey: " + String(API_KEY)); 129 | client.println("Content-Length: " + String(length)); 130 | client.println("Connection: close"); 131 | client.println(); 132 | 133 | client.println(data); 134 | 135 | } else { 136 | Serial.println(F("Connection failed")); 137 | return; 138 | } 139 | 140 | Serial.println(F("-------------------------------------")); 141 | while (client.connected()) { 142 | while (client.available()) { 143 | char c = client.read(); 144 | Serial.print(c); 145 | } 146 | } 147 | client.close(); 148 | Serial.println(F("-------------------------------------")); 149 | 150 | Serial.println(F("\n\nDisconnecting")); 151 | cc3000.disconnect(); 152 | 153 | // Wait 10 seconds until next update 154 | delay(10000); 155 | 156 | } 157 | 158 | // Convert double to string 159 | String doubleToString(float input,int decimalPlaces){ 160 | if(decimalPlaces!=0){ 161 | String string = String((int)(input*pow(10,decimalPlaces))); 162 | if(abs(input)<1){ 163 | if(input>0) 164 | string = "0"+string; 165 | else if(input<0) 166 | string = string.substring(0,1)+"0"+string.substring(1); 167 | } 168 | return string.substring(0,string.length()-decimalPlaces)+"."+string.substring(string.length()-decimalPlaces); 169 | } 170 | else { 171 | return String((int)input); 172 | } 173 | } 174 | -------------------------------------------------------------------------------- /soil_sensor_test/soil_sensor_test.ino: -------------------------------------------------------------------------------- 1 | /*************************************************** 2 | This is a sketch to test the soil sensor based 3 | on the SHT10 temperature & humidity sensor 4 | 5 | Written by Marco Schwartz for Open Home Automation 6 | ****************************************************/ 7 | 8 | // Include Sensirion library 9 | #include 10 | 11 | // Sensor pins 12 | const uint8_t dataPin = 6; 13 | const uint8_t clockPin = 7; 14 | 15 | // Variables for the temperature & humidity sensor 16 | float temperature; 17 | float humidity; 18 | float dewpoint; 19 | 20 | // Create sensor instance 21 | Sensirion soilSensor = Sensirion(dataPin, clockPin); 22 | 23 | void setup() 24 | { 25 | Serial.begin(115200); 26 | } 27 | 28 | void loop() 29 | { 30 | // Make a measurement 31 | soilSensor.measure(&temperature, &humidity, &dewpoint); 32 | 33 | // Print results 34 | Serial.print("Temperature: "); 35 | Serial.print(temperature); 36 | Serial.print(" C, Humidity: "); 37 | Serial.print(humidity); 38 | Serial.print(" %"); 39 | Serial.println(""); 40 | 41 | // Wait 100 ms before next measurement 42 | delay(100); 43 | } 44 | --------------------------------------------------------------------------------