Holiday by MooresCloud. Programmable fairy lights — with a full REST API

Heh - check out the text on the circuit board mask just under the 8 pin header on the edge that's at the top in the image on the dev blog page: http://dev.moorescloud.com/2013/05/28/holiday-hardware-at-a-...

Nice! (you'll probably need to click through to the large version of the image to read it)