this build is done with the teensy lc, ws2821b leds, 2 rotary encoders and everything else is just handwired together
the built in usbc to micro usb adapter is this one: https://www.amazon.de/-/en/gp/product/B07MYWT4GK
blog entry:
https://blog.heaper.de/e/w65
video on youtube
The author marked this model as their own original creation.