#include "DHT.h"
#define DHTPIN 3
//#define DHTTYPE DHT11 // DHT 11
#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
Serial.println(F("DHT11 test!"));
pinMode(5, OUTPUT);
dht.begin();
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
if (t<=26){
digitalWrite(5, HIGH);
}
else{
digitalWrite(5, LOW);
}
Serial.print(F("Humidity: "));
Serial.print(h);
Serial.println(F("% Temperature: "));
Serial.print(t);
}