└── night_light (1).ino (1).txt


/night_light (1).ino (1).txt:
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 1 | #define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
 2 | #include <SPI.h>
 3 | #include <ESP8266WiFi.h>
 4 | #include <BlynkSimpleEsp8266.h>
 5 | #include <SimpleTimer.h>
 6 | #include <DHT.h>
 7 | 
 8 | // You should get Auth Token in the Blynk App.
 9 | // Go to the Project Settings (nut icon).
10 | char auth[] = "2aqctMEvoT1a3Q0ZfZTerz1aqzsSwCW7"; //Enter the Auth code which was send by Blink
11 | 
12 | // Your WiFi credentials.
13 | // Set password to "" for open networks.
14 | char ssid[] = "karur";  //Enter your WIFI Name
15 | char pass[] = "karur001";  //Enter your WIFI Password
16 | 
17 | #define DHTPIN 2          // Digital pin 4
18 | const int sensorpin=A0;
19 | int sensorvalue=0;
20 | int outputvalue=0;
21 | // Uncomment whatever type you're using!
22 | //#define DHTTYPE DHT11     // DHT 11
23 | #define DHTTYPE DHT22   // DHT 22, AM2302, AM2321
24 | //#define DHTTYPE DHT21   // DHT 21, AM2301
25 | 
26 | DHT dht(DHTPIN, DHTTYPE);
27 | SimpleTimer timer;
28 | const int sensorPin = A0;
29 | // This function sends Arduino's up time every second to Virtual Pin (5).
30 | // In the app, Widget's reading frequency should be set to PUSH. This means
31 | // that you define how often to send data to Blynk App.
32 | void sendSensor()
33 | {
34 |   float h = dht.readHumidity();
35 |   float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
36 |   if (isnan(h) || isnan(t)) {
37 |     Serial.println("Failed to read from DHT sensor!");
38 |     return;
39 |   }
40 |   // You can send any value at any time.
41 |   // Please don't send more that 10 values per second.
42 |   Blynk.virtualWrite(V5, h);  //V5 is for Humidity
43 |   Blynk.virtualWrite(V6, t);  //V6 is for Temperature
44 |   }
45 | 
46 | void sendSensor2()
47 | {
48 |   int sensorvalue=analogRead(sensorpin);
49 |   outputvalue=map(sensorvalue,0,1023,0,100);
50 | 
51 |   if(outputvalue>74)
52 |   {
53 |        Serial.println("water your plant");
54 |        Serial.print(outputvalue);
55 |        Blynk.notify("water your plant");
56 |        delay(1000); 
57 |   }
58 |   else if(outputvalue<45)
59 |   {
60 |        Serial.println("soil is wet enough to water");
61 |        Serial.print(outputvalue);
62 |        Blynk.notify("soil is wet enough to water");
63 |        delay(1000);
64 | 
65 | }
66 | Blynk.virtualWrite(V1, outputvalue);
67 | }
68 | 
69 | void setup()
70 | {
71 |   Serial.begin(9600); // See the connection status in Serial Monitor
72 |   Blynk.begin(auth, ssid, pass);  
73 |   dht.begin();
74 |   // Setup a function to be called every second
75 |   timer.setInterval(1000L, sendSensor);
76 | }
77 | 
78 | void loop()
79 | { 
80 |   Blynk.run(); // Initiates Blynk
81 |   timer.run(); // Initiates SimpleTimer
82 | }
83 | 


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