During the last year or so, I've been working on my home automation project based on Android and Arduino. Last month, I've finally released that project to the public so you can enjoy it too. For more information go to: rhome.r00li.com.
I've also been working on my simple XBMC TableTop controller project during the last week. This is a simple Arduino based XBMC controller that enables you to control your multimedia while sitting down on the sofa. You can find more about it here:
Or visit my github page if you want to build it yourself: