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Usually playing around with multi-color LEDs requires some microcontroller programming and a lot of work, Gerry has some great kits to control LEDs (schematics and source included) -
"RGBLED Controller - Lets you control the exact color of an RGBLED to be one of 16.7 million possible colors via a serial connection. The mRGBLED controller has three channels allowing between 1 and 3 independently controlled LEDs to be attached. The RGBLED controller has 13 channels allowing between 1 and 13 independently controlled RGBLEDs. Each controller has a unique board identifier, so you can daisy chain multiple boards to provide more channels/LEDs...All the projects are free for non-commercial use and include all the schematics, firmware and supporting documentation allowing you to build them yourself." [via] - Link.
Related:
- LED projects @ MAKE - Link.
I looked at that board when I was thinking about making an RGB POV toy. It looks very cool but I had to conclude the POV toy was impractical.
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