#include <DHT.h>
#include <DHT_U.h>

#define DHTPIN 4     
#define DHTTYPE DHT22   

DHT_Unified dht(DHTPIN, DHTTYPE);

#define LEDa 18    
#define LEDr 19     

void setup() {
  Serial.begin(9600);

  pinMode(LEDa, OUTPUT);
  pinMode(LEDr, OUTPUT);

  dht.begin();
}

void loop() {
  delay(1000); 

  sensors_event_t event;
  dht.temperature().getEvent(&event);

  if (isnan(event.temperature)) {
    Serial.println("Error al leer el sensor de temperatura");
    return;
  }

  float temperatura = event.temperature;
  Serial.print("Temperatura: ");
  Serial.print(temperatura);
  Serial.println(" °C");

  if (temperatura < 25) {
    digitalWrite(LEDa, HIGH);
    digitalWrite(LEDr, LOW);
  } else if (temperatura > 35) {
    digitalWrite(LEDa, LOW);
    digitalWrite(LEDr, HIGH);
  } else {
    digitalWrite(LEDa, LOW);
    digitalWrite(LEDr, LOW);
  }
}