[CODE=python]import pyfirmata.
from pynput.keyboard import Key, Listener.
import serial.
import time.
board = pyfirmata.Arduino('com8')
def tus_basildi(tus):
print('{0} tusuna basildi'.format(tus))
if tus=="s":
board.digital[12].write(1)
def tus_salindi(tus):
print('{0} release'.format(tus))
with Listener(on_press=tus_basildi, on_release=tus_salindi) as listener:
listener.join()