I’ve written a library for the Arduino that lets you emulate the $19.99 (USD) Apple Remote. All it requires is a standard IR LED - you can pick those up from Radio Shack for basically nothing. It’s released under the GPL. Enjoy!

Download! Alternatively, you can find the project on Github

I'd appreciate it very much if you send me an email describing any projects you use it for. Patches are also always welcome.

It seems that a few Arduino-related sites have linked here: