Goal: A rpi pico that shows lights depending on what sounds a nearby phone is hearing.
To do this, connect from the phone to the pico over Web Bluetooth API, and send sound data (or maybe do a FFT on the phone then control the lights.)
Writeup: https://docs.google.com/document/d/1X-AS-IZy4wcI4Rrj5N0C0mMkiRyhzIJiDVzRC08NEgA/edit?usp=sharing