He’s converted a mouse into a tuning dial. The scroll wheel on a mouse is nothing more than a rotary encoder, and can easily be used as a sort of tuning knob. Replacing it with a better encoder ...
Instead, he wound up assembling a custom bass reactive LED display using an ESP32 ... enclosures from Thingiverse for the microphone, rotary encoder and ESP32 box to make sure all the modules ...
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