U8x8 Fonts -
The U8x8 library provides several functions for advanced text handling. The draw2x2String() function creates large, blocky text that spans 2x2 character cells—equivalent to 16x16 pixels. This is ideal for displaying large numbers, time values, or prominent status messages.
The setFont() function assigns the font to be used for subsequent drawing operations, while drawString() places text at specified column and row coordinates. On a typical 128×64 display, valid column values range from 0 to 15 (16 columns total), and row values range from 0 to 7 (8 rows total). u8x8 fonts
void setup() u8x8.begin(); u8x8.setFont(u8x8_font_8x13_1x2_n); // Set the font u8x8.clearDisplay(); The U8x8 library provides several functions for advanced
This memory efficiency comes with a trade-off: . With U8x8, you cannot draw lines, boxes, circles, or custom pixel-level graphics. The library treats the screen as a simple grid of character cells, typically 16 columns by 8 rows on a 128×64 display, with each cell displaying a single 8×8 pixel character. For many embedded applications—such as sensor dashboards, status monitors, menu systems, or logging outputs—this is more than sufficient. The setFont() function assigns the font to be
: A standard blocky font where every character fills the 8x8 tile. 2. Large Numeric Fonts
Need pixel-perfect graphics or proportional fonts? Switch to U8g2. But for pure text on small OLEDs – U8x8 is unbeatable.