// Use the custom font (if your library supports external fonts) tft.loadFont(arial_black_16, sizeof(arial_black_16)); tft.setTextColor(TFT_WHITE, TFT_BLACK);
It seems you are asking for content related to a library or module named "arial black 16.h" . This is a standard or built-in library in any mainstream programming language (C, C++, Python, etc.). arial black 16.h library
#include <Arduino.h>