#include <DHT.h>
#define Type DHT22
#define rel 6
int detPin=7;
DHT CTER(detPin,Type);
float humidity;
float tempC;
int delayTime=2000;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(detPin,OUTPUT);
  pinMode(rel, OUTPUT);
  CTER.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  humidity=CTER.readHumidity();
  tempC=CTER.readTemperature();

  Serial.print("Temp: ");
  Serial.print(tempC);
  Serial.print("\nHumidity: ");
  Serial.print(humidity);
  Serial.println("%");
  delay(delayTime);
  if (tempC > 30) {
    digitalWrite(rel, HIGH);
  }
  else {
    digitalWrite(rel, LOW);
  }
}