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Frequency driven speed for chase lights..? Answered

I have some battery operated chase lights (Christmas lights) that I want to wrap around a musical instrument.. When I play a note, I want the frequency of the note to drive the chase light speed. So higher notes will make them chase faster than lower notes.. How can I do this?


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7 years ago

You will probably need some kind of microcontroller like an arduino to do this and it depends on if you can interface and control the chase lights in some way. Go through the adafruit.com forums or tutorials, they have a project on analyzing the audio input which breaks down the sound into note ranges/frequencies using FFA(Fast Fourier something) and then trigger the corresponding color lights. Look up "color organ" projects which are mostly ights glow brighter with louder sound. Good luck.