The MAX7219 Dot Matrix Display Module allows control of 8×8 LED matrices using a single microcontroller pin set. It comes with a pre-wired cable for easy connection to Arduino and other development boards. Specifications Uses MAX7219 driver IC 8×8 LED matrix display per module Cascadable for larger displays SPI-compatible interface Includes pre-attached cable Applications Text and symbol displays Digital clocks and counters Animation and marquee systems DIY signage projects Embedded control panels