Here’s a really bright building based Luxeon LXHL-LR3C Royal Blue LED system with schematic and code included… A MAKE reader writes… – “A giant 2-story-high LED display was constructed using amazingly powerful Luxeon LEDs in a 6×6 grid of windows at the architecturally renowned Simmons Hall undergraduate dormitory at MIT. It’s a fairly simple circuit design that anyone can do with a decent amount of patience to wire each pixel.” – Link.
Related:
LED projects – Link.
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