int threshold = 25;
#include <DHT.h>
#define DHTPIN 9
#define DATATYPE DHT22
DHT dht(DHTPIN,DATATYPE);

void setup() {
  dht.begin();
  pinMode(12,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(11,OUTPUT);
  }

void loop() {
  float t = dht.readTemperature();
if(t>=threshold){
  digitalWrite(13,HIGH); //yellow light means cooling will genarate
}
else{
  digitalWrite(13,LOW);
}
if(t<threshold){
  digitalWrite(12,HIGH); //red light will glow mwans heat will genarate
}
else{
  digitalWrite(12,LOW);
}

  }