Like many people I own an IKEA Expedit shelf. I added some LED modules behind the shelf, now the shelf looks superb, but look yourself.
Choose between 10 Colorsets and 6 animation modes with a flick of your toes on the PS2 keyboard attached under the bookcase!
Check out pixelinvaders.ch/?page_id=494 for more information and github.com/neophob/ExpeditInvaders for the Arduino source.
Like us on Facebook: facebook.com/PixelInvaders, thanks!