This is a minor version update, but it’s actually just putting a missing feature back in: The pen width test function is back. Pretty dull huh!
- The code is here: https://github.com/euphy/polargraph_server_polarshield_esp32
- Figure out how to do the update here: https://polargraph.co.uk/2018/10/how-to-upload-new-firmware-to-the-polargraphsd-v30/
And while you’re here, have a quick look at this post from Blackheart Press, producing an edition of penwork with his Polargraph machine: