https://github.com/hybotix/micropython-ht16k33
GitHub - hybotix/micropython-ht16k33: Micropython driver for the HT16K33, a LED matrix, 7-Segment...
Micropython driver for the HT16K33, a LED matrix, 7-Segment Numeric, and 14-Segment Alphanumeric display driver IC - hybotix/micropython-ht16k33
for the
https://lwn.net/Articles/860935/
auxdisplay: ht16k33: Add character display support [LWN.net]
character displayht16k33addsupportlwn