from machine import Pin
from time import sleep, ticks_ms

button = Pin(25 , Pin.IN, Pin.PULL_DOWN)
led = Pin(14, Pin.OUT)

button_eerder = 0
led_status = 0


def check_button(a=0,b=0):
    #global button_eerder, led_status
    button_nu = button.value()
    if button_nu != a:
        a = button_nu        
        if button_nu == 1:
          b = not b # toggle de led
          led.value(b)
          print("led now", int(b))
        sleep(0.005)
        print("test" , a, b)
    return a,b

while True:

    button_eerder, led_status = check_button(button_eerder, led_status)