#include <DHT.h>
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE); //VARIABLES
float temperature;

void setup() {
 Serial.begin(9600);
 pinMode(15, OUTPUT);
}
void loop() {
 delay(5000);
 temperature = dht.readTemperature();
 Serial.print("Temperatue:");
 Serial.print(temperature);
 Serial.print("c\n");

 if (temperature > 32){
  digitalWrite(15, HIGH);
  Serial.print("Activar RELE\n");
 }
 if(temperature < 22){
  digitalWrite(15, LOW);
  Serial.print("Desactivar RELE\n");
 }
}