: U8x8 isn't just for letters; it includes sets for weather , battery levels , and UI symbols (like the open_iconic series) that fit into a single Breaking the
You are calling u8x8.clear() or u8x8.refresh() too often. Fix: Use u8x8.setCursor(x,y) and overwrite specific characters. Because the display is page-addressed, overwriting one 8x8 block does not disturb the rest. u8x8 fonts
For a visual preview of all available styles, you can browse the U8g2 Wiki Gallery for your specific display needs? u8x8reference · olikraus/u8g2 Wiki - GitHub : U8x8 isn't just for letters; it includes
U8x8 font names follow a specific pattern (e.g., u8x8_font_..._r ). The final character indicates the character set included in the font: Includes all 256 characters. r (Reduced): Includes basic ASCII characters. For a visual preview of all available styles,
pixels for better visibility at a distance. For even larger resolutions, developers often "cheat" by splitting a single large graphic into four separate tiles and reassembling them on screen. Tools for Customization
If you call u8x8.setFont() with a u8g2_font_xxxx (note the g2 ), your compiler will throw an error. You must use the u8x8_font_xxxx variants.
The u8x8 library is strict: This is a hard architectural constraint derived from the display drivers.