Thanks to Catherine for sending us this tip! Catherine writes:
I wrote a driver for the adafruit charlieplexed LED matrix using micropython. In this post I document all of the steps required to upload this driver to a teensy. It may be useful to others interested in getting started with micropython.
Featured Adafruit Product!
LED Charlieplexed Matrix – 9×16 LEDs: These are 9×16 Charlieplexed LEDs designed to match with the Adafruit 16×9 Charlieplexed PWM LED Matrix Driver – IS31FL3731. You don’t get any resistors or driver chips with this grid, its just a mess of LEDs in a charlieplexed arrangement. (read more)