This is a project which adapts code from another user to allow usage of the PCF8574 I2C lcd backpack for either 20x4 or 16x2 lcd screens. - RPI-PICO-I2C-LCD/README.md at main · T-622/RPI-PICO-I2C-LCD ...

PILib is a C++ library that implements an interface for HD44780 based LCD displays for the Raspberry PI. It can be downloaded at PILib. It is pretty easy to use.

Connect the display to the Raspberry Pi according to the diagram below. The colors of the cables may vary depending on the supplier and batch. Focus on the function and pin number, not the color.

Raspberry Pi inspires an LCD monitor effort on Kickstarter. By Agam Shah. Nov 1, 2013 1:55 pm PDT. A project aims to bring an inexpensive 9-inch portable monitor to the popular $25 Raspberry Pi PC ...