This code is experimental. ``` bash 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 ```