It isn't that custom. The flashing instrucitons are from:
With the following 3 files:
- adafruit-circuitpython-circuitplayground_express-en_US-4.1.0-rc.1.uf2
- cpx_touch_pixel_rainbow.py
- README.md
- https://github.com/adafruit/circuitpython/
- https://github.com/kattni/Welcome_to_CircuitPython_CPX
- https://github.com/CarlFK/cpx
cpx_touch_pixel_rainbow.py is saved as code.py
code.py gets run when the board is rebooted.
The board reboots every time you write to it.
Edit code.py, hit save and see what happens!
- https://www.adafruit.com/product/3333
- https://learn.adafruit.com/welcome-to-circuitpython
- https://circuitpython.readthedocs.io/en/latest/
- http://youtu.be/RhgKRp3oo5o Kattni Rembor's CircuitPython Workshop NB: cpx_touch_pixel_rainbow.py is not setup on the workshop build, the tutorial teaches you how to do that and more.