HOW TO – Solar Powered Light-Graffiti Projector

Chris writes: “I recently read this interesting article in Wired magazine about “Light-Graffiti Hackers“. The problem with light graffiti is that you need a power source to make them permanent, so you usually can’t put them everywhere you like. So, I built myself a Solar Powered Light-Graffiti Projector out of a cheap solar garden light.” Link.