#include<DHT.h>
DHT dht(13, DHT22 ); 
#define red 12
#define yellow 14
#define green 27
void setup(){
Serial.begin(9600);
pinMode(red, OUTPUT);
pinMode(yellow, OUTPUT);
pinMode(green, OUTPUT);
dht.begin();
}

void loop() {

float h = dht.readHumidity();
float t =  dht.readTemperature();

Serial.print("HUMIDITY:");
Serial.print(h);
Serial.print(" % \t");
Serial.print("temperature:");
Serial.print(t);
Serial.println(" * C ");
if (t > 50) {
    digitalWrite(red, HIGH);
    digitalWrite(yellow, LOW);
    digitalWrite(green, LOW);
    Serial.println("RED LED ON");
  } else if (t > 20) {
    digitalWrite(yellow, HIGH);
    digitalWrite(red, LOW);
    digitalWrite(green, LOW);
    Serial.println("YELLOW LED ON");
  } else {
    digitalWrite(green, HIGH);
    digitalWrite(red, LOW);
    digitalWrite(yellow, LOW);
    Serial.println("GREEN LED ON");
  }

  delay(1000); 
}