With multi-segment displays, what you see available ... and figured out how to send custom fonts to 16×2 displays too.
What do you do with 144 7-segment displays? If you’re [Frugha ... [Frugha] picked a nice font and hand-coded lookup tables for each digit. The lookup tables are stored in ROM, saving precious ...
The above illustration highlights one segment of the liquid crystal layer in a monochrome twisted nematic (TN) seven-segment display (Image courtesy of LXD, Inc.) In their natural state ...