I've always had a fascination with flashing lights — especially when the lights are synchronized to music. Unfortunately, most analog color organs don't work very well, and all of the colors end up flashing nearly all of the time regardless of the music being listened to. This unit is designed to have good frequency selectivity so that the color and brightness of the display LEDs are directly related to the frequency content of the music; not just to its amplitude.
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What’s in the zip?
Teensy Color Organ source code and files