What are dot matrix LED displays?

A dot matrix LED display is made up of light-emitting diodes that are aligned in the shape of a matrix. It is often used on digital billboards to display time, temperature, news updates, and other information. Dot Matrix Displays are made in a variety of sizes, including 57, 89, 12816, 12832, and 12864, where the numbers denote LEDs in rows and col...