If you are building a battery-powered sensor node, a custom macro keyboard with a tiny screen, or a retro computer emulator, starting with U8x8 will save you hours of debugging memory corruption and slow refresh rates.
But what exactly are "U8x8 fonts"? Why does the "U8" and "x8" matter? And why should a modern developer care about a font system designed for microcontrollers with 2KB of RAM? u8x8 fonts
// Select your U8x8 font here u8x8.setFont(u8x8_font_chroma48medium8x8_r); If you are building a battery-powered sensor node,
void setup(void) u8x8.begin();
Here is the pattern for the letter 'A' (8x8): or a retro computer emulator