from machine import Pin, Timer
from time import sleep
led = Pin(2, Pin.OUT)
def pisca (t):
global led
led.value(not led.value())
tim = Timer(0)
tim.init(freq=60,
mode=Timer.PERIODIC,
callback=pisca)
i = 0
while True:
print (f'Momento: {i}')
sleep(2)
i = i + 1