Contains only uppercase characters (ASCII 32 to 95), saving even more flash memory.
Because microcontrollers are resource-constrained, u8x8 fonts store data vertically or horizontally depending on the display controller. For example, an OLED display (SSD1306) uses a vertical page layout. The 8 bytes for the letter 'A' might represent Column 0, Pages 0-7. u8x8 fonts