DIY cloud lamp project for MakeUseOf.com
Full build guide available at http://muo.fm/diythundercloud (but wont be published until mid Ooctober 2014)
Two thundercloud sketches are included - the ir_receiver one is for rebroadcasting IR signals over i2c. The main logic is contained in the other. FastLED and IRRemote libraries are also included, and should be placed in the Arduino libraries folder. View their respective documentation and help here: