relais test

import RPi.GPIO as GPIO
import time

relais_pin = 25

GPIO.setmode(GPIO.BCM)
GPIO.setup(relais_pin,GPIO.OUT)

print "\nlinker relais an pin 25\n"

while True:
    try:
        GPIO.output(relais_pin,True)
        time.sleep(0.5)
        GPIO.output(relais_pin,False)
        time.sleep(0.5)

    except KeyboardInterrupt:
        GPIO.output(relais_pin,False)
        GPIO.cleanup() # Clean up GPIO on CTRL+C exit