Today i thought i would share with u this project
its fairly easy and dosnt use much parts its the Arduino Home Automation.
2 CH Relay
and some jumpers.
Sorry i am demostrating this with LED but Fritzing didnt had any 2 CH rRelay module.
But yeah it works
5V 5V (VCC)
1 Channel Relay
Pin 7 IN 1
Pin 8 IN 2
Code for arduino can be found here:http://goo.gl/aOzrYt