Netflix releases schematics and code for The Switch, an open-source microcontroller-based hardware switch that can turn on the TV, dim your lights, order food, and silence your phone. A video of The Switch in action.
Robert Quattlebaum shows how to hack GE Color Effects Christmas lights and makes the source code for his work available.
Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments. (Previously) [more inside]