from machine import Pin
from time import ticks_ms, sleep_ms
led = Pin (2, Pin.OUT)
bot = Pin (27, Pin.IN, Pin.PULL_DOWN)
b = bAnt = bot()
estado = False
tAtual = ticks_ms()
while True:
b = bot()
if b != bAnt:
if b == 1:
print ('Pressionado')
estado = not estado
sleep_ms(200)
bAnt = b
if estado:
if ticks_ms() - tAtual >= 500:
led.value(not led.value())
tAtual = ticks_ms()