This code is experimental.

NeoPixel

Put this in lib folder of CircuitPython disk (compile to mpy for nice!nano.

Compile mpy files for nice!nano kmk

docker run -v /scratch/kmk_firmware:/opt/kmk_firmware --rm -it --entrypoint=/bin/bash python:latest
cd /opt
wget https://adafruit-circuit-python.s3.amazonaws.com/bin/mpy-cross/mpy-cross.static-amd64-linux-8.0.5
chmod a+x mpy-cross.static-amd64-linux-8.0.5
./mpy-cross.static-amd64-linux-8.0.5 --help
mv mpy-cross.static-amd64-linux-8.0.5 /usr/bin/mpy-cross
mpy-cross --help
cd /opt/kmk_firmware
python util/compile.py
cp ~.compiled/kmk~ folder -> mcu

Misc

• Press reset button when NeoPixel starts to blink yellow during early boot.
• Format storage via REPL: https://docs.circuitpython.org/en/latest/docs/troubleshooting.html
• MicroPython Docs
• CircuitPython Docs