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  1. #include "DHT.h"
  2. #define DHTPIN 14
  3. #define DHTTYPE DHT11 // DHT 11
  4.  
  5. // FOR DHT
  6. // + ==> 5v
  7. // - ==> GND
  8. // out ==> A0
  9.  
  10. DHT dht(14, DHT11);
  11.  
  12. void setup() {
  13.  
  14. Serial.begin(9600);
  15. Serial.println(F("DHT11 test!"));
  16. dht.begin();
  17.  
  18. }
  19.  
  20. void loop() {
  21.  
  22. delay(2000);
  23. float h = dht.readHumidity();
  24. float t = dht.readTemperature();
  25.  
  26. if(isnan(h) || isnan(t)) { //is no a number
  27.  
  28. Serial.println(F("Failed to read from DHT sensor!"));
  29. return;
  30. }
  31.  
  32. Serial.print(F("Humidity: "));
  33. Serial.print(h);
  34. Serial.print(F("% Temperature: "));
  35. Serial.print(t);
  36. Serial.println(F("ºC"));
  37. }
');