Hey Dave,
the secret is here → bbserial @Aiph5u
In detail
- What is the 1F future? We need to know – Post #11 by Aiph5u
- Controller/Software Question – Post #11 by Aiph5u
- Get information over API - home assistant dashboard – Post #10 by Aiph5u
- How long will original controller be available – Post #18 by Aiph5u
- Brand new to CNC, looking for what is really needed – Post #24 by Aiph5u
Note: Besides bbserial.ko problem, the Raspberry Pi OS ≠ Debian (it’s a fork with proprietary kernel image and firmware fetched from Raspberry Pi Foundation server in a file in your /etc/apt/sources.list.d)