Snap Circuits and IoT

1#define BLYNK_PRINT Serial
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3#include #include #include #include
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5//  You should get Auth Token in the Blynk App. // Go to the Project Settings (nut icon).  char auth[] = "726e035ec85946ad82c3a2bb03015e5f";
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7// Your WiFi credentials.  // Set password to "" for open networks. char ssid[] = "TISCALI-301DC1"; char  pass[] = "ewkvt+dGc1Mx";
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9const int analogPin = 34; // Analog input pin  0 (GPIO 36) int sensorValue = 0; // Value read from the ADC
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11#define DHTPIN  4 // What digital pin we're connected to
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13// Uncomment whatever type you're  using! #define DHTTYPE DHT11 // DHT 11 //#define DHTTYPE DHT22 // DHT 22, AM2302,  AM2321 //#define DHTTYPE DHT21 // DHT 21, AM2301
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15DHT dht(DHTPIN, DHTTYPE);  BlynkTimer timer;
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17// This function sends Arduino's up time every second to  Virtual Pin (5). // In the app, Widget's reading frequency should be set to PUSH.  This means // that you define how often to send data to Blynk App. void sendSensor()  { float h = dht.readHumidity(); float t = dht.readTemperature(); // or dht.readTemperature(true)  for Fahrenheit
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19if (isnan(h) || isnan(t)) { Serial.println("Failed to read  from DHT sensor!"); return; } // You can send any value at any time. // Please  don't send more that 10 values per second. Blynk.virtualWrite(V5, h); Blynk.virtualWrite(V6,  t); }
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21void setup() { // Debug console Serial.begin(9600);
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23Blynk.begin(auth,  ssid, pass); // You can also specify server: //Blynk.begin(auth, ssid, pass, "blynk-cloud.com",  80); //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
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25dht.begin();
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27//  Setup a function to be called every second timer.setInterval(1000L, sendSensor);  timer.setInterval(250L, AnalogPinRead); // Run sensor scan 4 times a second
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29}
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31void  AnalogPinRead() { sensorValue = analogRead(analogPin); // Read the analog in value:  Serial.print("sensor = "); // Print the results... Serial.println(sensorValue);  // ...to the serial monitor: Blynk.virtualWrite(V0, sensorValue); // Send the results  to Gauge Widget }
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33void loop() { Blynk.run(); timer.run(); }
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