[Jay] did a nice job of commenting and documenting the code, so this could make a great introductory CircuitPython project. No soldering is required, which makes it a little easier to re-use the ...

The chip inside is an Atmel SAMD21E18A-U, and is apparently running Adafruit’s CircuitPython platform. This discovery led to further digging, of course. With some hacking, the TI-Python can ...