from machine import Pin
import time
import digitalio
import board

buzzer=Pin(6,Pin.OUT)

taster = digitalio.DigitalInOut(board.GP28)
taster.direction = digitalio.Direction.INPUT
taster.pull = digitalio.Pull.DOWN

while True:
     buzzer.value(0)
     if taster.value:
          buzzer.value(1)
          time.sleep(1)