# modulos
from machine import I2C, Pin   
from time import sleep

from pico_i2c_lcd import I2cLcd
from dht import DHT22

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)

# direccion I2C
I2C_ADDR = i2c.scan()[0]

# crear objeto tipo lcd
dht = DHT22(Pin(5))
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

rele = Pin(16, Pin.OUT)
rele.value(0)  # Inicia apagado

# loop
while True:
    dht.measure()
    temp = dht.temperature()
    hum = dht.humidity()
    print("Temperature: {}°C   Humidity: {:.1f}% ".format(temp, hum))
    
    lcd.clear()
    lcd.putstr('Temp: ' + str(temp) + " C")
    lcd.move_to(0,1)
    lcd.putstr('Hum: ' + str(hum) + "%")
    sleep(2)



def control_rele(temp):
    if temp > 40:  # Umbral de 40°C para activar
        rele.value(1)
        return "ON"
    else:
        rele.value(0)
        return "OFF"

while True:
    temp, hum = leer_sensor()
    
    if temp is not None and hum is not None:
        estado = control_rele(temp)
        actualizar_lcd(temp, hum, estado)
        
    rele = Pin(16, Pin.OUT)

while True:
    rele.value(1)  # Activa el relevador (LED ENCENDIDO)
    time.sleep(2)  # Espera 2 segundos
    rele.value(0)  # Desactiva el relevador (LED APAGADO)
    time.sleep(2)  # Espera 2 segundos