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Have a look at https://www.tindie.com/products/lixielabs/sensory-bridge-an-..., which uses the ESP32-S2, but not WLED as far as I know. I'm a happy customer.



Thanks for the pointer! My own project is primarily about not just visualizing a plain FFT, because it is so far removed from actual music perception, especially as soon as you have more than a single voice/instrument. So while I've grown quite a distaste for the exact thing Sensory Bridge seems to do, I appreciate people hacking in this space, and maybe someone else finds your comment who does enjoy the product :)




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