U8x8 Fonts __top__ Jun 2026
The U8x8 library, a sub-module of the popular U8g2 graphics driver, is the go-to solution for developers who need to display text on OLED or LCD screens while consuming as little memory as possible. Unlike the standard U8g2 mode which uses a memory-intensive RAM buffer, U8x8 writes directly to the display. This efficiency relies entirely on its specialized collection of "8x8" pixel fonts.
: A single U8x8 font can contain up to 255 characters, typically stored in a highly compressed format. Incompatibility : Crucially, standard U8g2 fonts cannot be used u8x8 fonts
You are using a U8g2 font with a U8x8 constructor or vice versa. Fix: Ensure you use u8x8.setFont(u8x8_font_...); (note the u8x8_ prefix) not u8g2.setFont(...) . The U8x8 library, a sub-module of the popular
Here are the most commonly used fonts categorized by style. : A single U8x8 font can contain up
A common beginner mistake is using U8g2 (graphics) for everything because it "can do more." However, U8g2 requires a framebuffer. On a 128x64 display, U8g2 consumes:
If you’re displaying sensor data that changes rapidly, the U8x8 interface updates almost instantaneously.





