This is a single header library for character based displays using the HD44780 (or compatible) LCD driver in 4 bit mode in combination with the PCF8574 I2C expander. It is based on Matthias Hertels ...

Program to calibrate 3.5" TFT LCD Touchscreen Displays (using ILI9486 Driver) with the Arduino UNO R3/R4 and MCUFRIEND Library ...