You cannot manually type 4,000 bytes of pixel data. Use these tools: You cannot manually type 4,000 bytes of pixel data
In these libraries, fonts are often converted into .h files containing a C-style array of pixel data. The name breaks down as: You cannot manually type 4
Call the library's font selection method (the exact syntax depends on whether you use DMD or Adafruit GFX): dmd.selectFont(Arial_Black_16); For Adafruit_GFX: display.setFont(&Arial_Black_16); 3. Key Specifications Font Family: Arial Black Size: 16 pixels (height)