#!/usr/bin/env python
# -*- coding: utf-8 -*-

# This program is copyright (c) 2016, P. Lutus and is released
# under the GPL (http://www.gnu.org/licenses/gpl-3.0.en.html).

import time, signal, sys

import RPi.GPIO as G

G.setmode(G.BCM)

G.setwarnings(False)

relay = 2

time_delay = 1 # seconds

G.setup(relay,G.OUT)

state = True

try:
  while True:
    G.output(relay,state)
    state = not state
    time.sleep(time_delay)
except:
  G.cleanup()
  print('So long for now.')