# Germán Andrés Xander 2023

from machine import Pin
from debounce import DebouncedSwitch

sw = Pin(23, Pin.IN)
led = Pin(2, Pin.OUT)
total=0

def sumador(algo):
    global total
    total+=1
    print(total)
    led.value(not led.value())
    print(algo)

contador=DebouncedSwitch(sw, sumador)


main.py

diagram.json

# MIT License, Copyright 2017, Christopher Arndt.
# https://gist.github.com/SpotlightKid/0a0aac56606286a80f860b116423c94f

import micropython
from machine import Timer
timer_init = lambda t, p, cb: t.init(period=p, callback=cb)

class DebouncedSwitch:
    def __init__(self, sw, cb, arg=None, delay=50, tid=4):
        self.sw = sw
        self._sw_cb = self.sw_cb
        self._tim_cb = self.tim_cb
        self._set_cb = getattr(self.sw, 'callback', None) or self.sw.irq
        self.delay = delay
        self.tim = Timer(tid)
        self.callback(cb, arg)

    def sw_cb(self, pin=None):
        self._set_cb(None)
        timer_init(self.tim, self.delay, self._tim_cb)

    def tim_cb(self, tim):
        tim.deinit()
        if self.sw():
            micropython.schedule(self.cb, self.arg)
        self._set_cb(self._sw_cb if self.cb else None)

    def callback(self, cb, arg=None):
        self.tim.deinit()
        self.cb = cb
        self.arg = arg
        self._set_cb(self._sw_cb if cb else None)