DomoticHome is a simple and lowcost way to bring some smartness in your home with 50$ :). This project is still in beta test. For more details
What do you need to work out DomoticHome? An Arduino with Ethernet shield, an Android device and some electronic skills.
What can we do with this web app:
What can we do with the andriod app:
To download it search "DomoticHome" on Android market, it's free.
We are planning to make a version for iPhone soon.
Turn on/off a led with Chibi Arduino
Turn on/off a light using a relay with driver