Raspberry Pi Model B+ 8 Channel Relay Module Test

relay.py

import RPi.GPIO as GPIO
import time

print "Ready?"
time.sleep(5)

print "Setting GPIO Mode as BCM"
GPIO.setmode(GPIO.BCM)

print "Setting Up GPIO from 2 to 9"
GPIO.setup(2, GPIO.OUT)
GPIO.setup(3, GPIO.OUT)
GPIO.setup(4, GPIO.OUT)
GPIO.setup(5, GPIO.OUT)
GPIO.setup(6, GPIO.OUT)
GPIO.setup(7, GPIO.OUT)
GPIO.setup(8, GPIO.OUT)
GPIO.setup(9, GPIO.OUT)

print "Testing Relay Module Control with GPIO"

for i in range(2, 10): 
    GPIO.output(i,True)
    time.sleep(1)
    print("GPIO %d is True" % (i))

for i in range(2, 10): 
    GPIO.output(i,False)
    time.sleep(1)
    print("GPIO %d is False" % (i))

print "Done Testing. Cleaning Up GPIO"
GPIO.cleanup()