U8x8 Fonts ((full)) Jun 2026

void setup() u8x8.begin();

: Standard U8g2 fonts (which can be any size) are not compatible with the U8x8 drawing functions. u8x8 fonts

To use a specific font, you must first initialize your display and then set the font before printing. void setup() u8x8

This article dives deep into the architecture, usage, and philosophy of U8x8 fonts, explaining why they remain the gold standard for monochrome text rendering. void setup() u8x8.begin()

U8x8 fonts are "tile-based" or "fixed-size" fonts designed for the of the U8g2 library.

Because of the 8-byte-per-character structure, a complete ASCII font (96 printable characters) would require 96 * 8 = 768 bytes of storage—perfectly comfortable for even the smallest ATmega328P (Arduino Uno) with its 32KB of flash.