Mu Python editor - fhnw-imvs/fhnw-idb GitHub Wiki
Installing the Mu Python editor
https://codewith.mu/en/download
Developing CircuitPython on the nRF52840
https://github.com/tamberg/fhnw-idb/wiki/Feather-nRF52840-Express#circuitpython
Developing Python on the Raspberry Pi
https://projects.raspberrypi.org/en/projects/getting-started-with-mu (display & keyboard required)