safwan092

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Mar 22nd, 2022
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  1.  
  2. #include "DHT.h"
  3.  
  4. #define RELAYPIN 9
  5. #define DHTPIN 8
  6. #define DHTTYPE DHT22
  7. DHT dht(DHTPIN, DHTTYPE);
  8.  
  9. void setup() {
  10. Serial.begin(9600);
  11. dht.begin();
  12. pinMode(RELAYPIN, OUTPUT);
  13. digitalWrite(RELAYPIN, LOW);
  14. }
  15.  
  16. void loop() {
  17. delay(1000);
  18. float h = dht.readHumidity();
  19. float t = dht.readTemperature();
  20. Serial.print(F("Humidity: "));
  21. Serial.print(h);
  22. Serial.print(F("% Temperature: "));
  23. Serial.print(t);
  24. Serial.println(F("°C "));
  25. if (h > 60) {
  26. digitalWrite(RELAYPIN, HIGH);
  27. delay(1000);
  28. }
  29. else {
  30. digitalWrite(RELAYPIN, LOW);
  31. }
  32. }
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