A KiCad badge which runs CircuitPython #KiCad #CircuitPython @thomasflummer

Last fall, Thomas Flummer finished assembling a KiCad KiCon 2020 badge, programming the Microchip SAMD21 with CircuitPython.

The electronics on this badge is mainly a few experiments with stuff that I would like to test and experiment a little with and then a bit of control parts to keep everything on a single board.

The two primary things I’m testing is:

  • 1S LiPo charge and protection circuit
  • Soldering and controlling very small (1x1mm) RGB LEDs

The microcontroller on the board is a Microchip SAMD21 and most of the controller circuit is actually copied from the 2020 BornHack badge.

Another experiment is reusing nested sheets for the schematic, and updating them to work with the nightly builds of KiCad, which actually went fairly smooth, though a bit of relinking symbols was needed.

You can learn more on the GitLab repo here.

 


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