from machine import Pin
from time import sleep, ticks_ms

button = Pin(14 , Pin.IN, Pin.PULL_DOWN)

button_eerder = 0

while True:
    button_nu = button.value()
    if button_nu != button_eerder:
        button_eerder = button_nu        
        if button_nu == 1:
            print("*")
        #sleep(0.005)