Monday, April 25, 2011

LilyPad design lights up the runway

LilyPad/fiber optic design created for Anna Reutinger’s fashion line - GMA
Dennis Cao, an electrical engineering student at UCLA, mixed the LilyPad with nine Red Green Blue (RGB) LED’s to emit a wide range of colors through fiber optic strands flowing out of a white halter style dress.

He writes "The code is fairly simple and I thought I’d share it (along with the assembly instructions) since the only documentation I’ve found online has been linearly fading LED’s, which doesn’t look as great in my opinion. My code uses pulse width modulation to fade in and out of different colors at a sinusoidal rate- (essentially this means turning on/off the LED at varying amounts, a brighter appearance meant that the LED was HIGH or ON at more times per second, increasing the frequency of the signal. )"

For his code and instructions go to

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