Feel like you are missing something in your life? It’s probably because you don’t have your own batsignal. Fortunately, thanks to Philipp Tiefenbacher, you can build your own with these plans to make a batlamp. Designed around a high brightness RGB LED and an Arduino, it’s actually a general purpose projector that you can use to program your own lightshow. Now, where did I put that laser cutter? [via hackerspaces soup]
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Great artical, I unfortunately had some troubles printing this artcle out, The print formating looks a bit screwed over, something you may want to look into.