import machine
import utime
import _thread

boton = machine.Pin(28, machine.Pin.IN)
buzzer = machine.Pin(27, machine.Pin.OUT)

led_rojo = machine.Pin(15, machine.Pin.OUT)
led_amarillo = machine.Pin(14, machine.Pin.OUT)
led_verde = machine.Pin(13,machine.Pin.OUT)

global boton_presionado
boton_presionado = False

def estado_boton_presionado():
    global boton_presionado
    while True:
        if boton.value() == 1:
            boton_presionado = True

_thread.start_new_thread(estado_boton_presionado, ())

while True:
    if boton_presionado == True:
        led_rojo.value(1)
        for i in range (10):
            buzzer.value(1)
            utime.sleep(.2)
            buzzer.value(0)
            utime.sleep(.2)
        global boton_presionado
        boton_presionado = False    
        
        led_verde.value(1)
        utime.sleep(5)
        led_verde.value(0)
        led_amarillo.value(1)
        utime.sleep(.5)
        led_amarillo.value(0)
        utime.sleep(.5)
        led_amarillo.value(1)
        utime.sleep(.5)
        led_amarillo.value(0)
        utime.sleep(.5)
        led_amarillo.value(1)
        utime.sleep(.5)
        led_amarillo.value(0)
        utime.sleep(.5)
        led_rojo.value(1)
        utime.sleep(5)
        led_rojo.value(0)