from machine import Pin
from dht import DHT22
import time

sensor = DHT22(Pin(28))

ventilador = Pin(16, Pin.OUT)  # LED simulando ventilador

segments = [
    Pin(0, Pin.OUT),  # A
    Pin(1, Pin.OUT),  # B
    Pin(2, Pin.OUT),  # C
    Pin(3, Pin.OUT),  # D
    Pin(4, Pin.OUT),  # E
    Pin(5, Pin.OUT),  # F
    Pin(6, Pin.OUT)   # G
]

digit1 = Pin(10, Pin.OUT)  # Decenas
digit2 = Pin(11, Pin.OUT)  # Unidades

numeros = {
    0: [0,0,0,0,0,0,1],
    1: [1,0,0,1,1,1,1],
    2: [0,0,1,0,0,1,0],
    3: [0,0,0,0,1,1,0],
    4: [1,0,0,1,1,0,0],
    5: [0,1,0,0,1,0,0],
    6: [0,1,0,0,0,0,0],
    7: [0,0,0,1,1,1,1],
    8: [0,0,0,0,0,0,0],
    9: [0,0,0,0,1,0,0]
}

def apagar_digitos():
    digit1.value(0)
    digit2.value(0)

def mostrar_numero(numero):
    patron = numeros[numero]
    for i in range(7):
        segments[i].value(patron[i])

def multiplexar(valor):
    decenas = valor // 10
    unidades = valor % 10

    apagar_digitos()
    mostrar_numero(decenas)
    digit1.value(1)
    time.sleep_ms(4)

    apagar_digitos()
    mostrar_numero(unidades)
    digit2.value(1)
    time.sleep_ms(4)

    apagar_digitos()

temperatura = 0
ultimo_tiempo = time.ticks_ms()

while True:
    multiplexar(temperatura)

    if time.ticks_diff(time.ticks_ms(), ultimo_tiempo) > 2000:
        try:
            sensor.measure()
            temperatura = int(sensor.temperature())

            if temperatura > 99:
                temperatura = 99
            if temperatura < 0:
                temperatura = 0

            if temperatura > 30:
                ventilador.value(1)
            else:
                ventilador.value(0)

        except:
            pass

        ultimo_tiempo = time.ticks_ms()