We like automation

This tutorial will show you how to use the Raspberry PI’s GPIO port to control other devices. The Raspberry PI runs a web server and can be controlled remotely.

It uses an example of controlling your home lighting using a web browser. However you could re-use the tutorial to automate other objects using your Raspberry PI!

Continue to the tutorial -
http://www.instructables.com/id/Raspberry-Pi-GPIO-home-automation/