A large installed base of powered speakers from a defunct manufacturer and a dwindling supply of working remote controls. Sounds like nightmare fuel for an AV professional – unless you take matters ...

Here is an artistic Arduino project for the fun-minded. The circuit is an Arduino RGB LED controller running on a sweet ‘n’ simple code,but with a little hardware surprise outside the Arduino board.

So I've had 16' of RGB LED's attached to an arduino attached to my PC. Just for 5V power and the occasional "control" by uploading a new sketch. But then I saw this and am intrigued as it will allow ...