import time
from machine import Pin

led = Pin(22, Pin.OUT)
btnEncender = Pin(20, Pin.IN, Pin.PULL_DOWN)
btnApagar = Pin(19, Pin.IN, Pin.PULL_DOWN)


def apagar(pin):
    led.value(0)
    print("LED apagado")
    raise KeyboardInterrupt 

def encender(pin):
    led.value(1)
    print("LED encendido")
    try:
        time.sleep_ms(15000) 
    except KeyboardInterrupt:
    finally:
        led.value(0)
        print("LED apagado")

btnApagar.irq(trigger=Pin.IRQ_FALLING, handler=apagar)

while True:
  if btnEncender.value()==1:
    encender(led)