import machine
import time
import dht

# Configuración del pin del DHT22
dht_pin = machine.Pin(15)  
sensor = dht.DHT22(dht_pin)

# Configuración del pin de la alarma
alarm_pin = machine.Pin(2, machine.Pin.OUT)  
alarm_pin.value(0)  

# Configuración del pin del led
led_pin = machine.Pin(33, machine.Pin.OUT)
led_pin.value(0)

def read_temperature():
    try:
        sensor.measure()
        return sensor.temperature()
    except OSError as e:
        print("Error al leer el sensor:", e)
        return None

while True:
    temp = read_temperature()
    if temp is not None:
        print("Temperatura:", temp)
        
        if temp > 50:
            alarm_pin.value(1)  
            led_pin.value(1)
            print("¡Alarma encendida! Temperatura alta.")

        elif temp < 49:
            alarm_pin.value(0)  
            led_pin.value(0)
            print("Alarma apagada. Temperatura normal.")
             
    
    time.sleep(1)