import macine
from utime import sleep
button_start_id = 16
def main():
b0 = machine.Pin(button_start_id, machine.Pin.IN, machine.Pin.pull DOWN)import macine
from utime import sleep
button_start_id = 16
def main():
b0 = machine.Pin(button_start_id, machine.Pin.IN, machine.Pin.pull DOWN)