const int relayPin = 15;
const int relayPin1 = 4;
const int dhtPin   =  2 ;

#include "DHT.h"
DHT dht(dhtPin, DHT22);

void setup() {
  Serial.begin(9600);
  pinMode(relayPin, OUTPUT); 
  pinMode(relayPin1, OUTPUT);  
  dht.begin();

}

void loop() {
  
  float t = dht.readTemperature();

  if (isnan(t)) {
    Serial.println("Failed to read temperature from DHT sensor!");
    return;
  } 

  Serial.print("Temperature: ");
  Serial.println(t);

  if(t > 26){
    digitalWrite(relayPin, HIGH);
    digitalWrite(relayPin1, LOW);
  }else{
    digitalWrite(relayPin, LOW);
    digitalWrite(relayPin1, HIGH);
  }

  delay(2000);
  
}