The acronym LCD stands for Liquid Crystal Display. It is a thin, flat screen made up of color or monochrome pixels situated in front of a light source or reflector. There are different types of LCD screens, according to the number of rows and columns that they have.

Connect it to analog ports 4 and 5 on the 4in1 Build&Code control board. Look at the colors of the cables and the colors of the terminals on the control board to guide you. Each cable should be connected to its color.