As a way to set the mood in his family room, when he
remodeled Joe Peck put multi-color LEDs behind the crown molding. The major
circuit uses a microcontroller and LED drivers located in a closet, and a small
circuit board at each room corner to connect to red-green-blue LEDs. Perhaps
Joe's lights will get you in the mood for something "interesting,"
like submitting your own Gadget Freak circuit!