Feature: Using MAX7219 control chip, integrated BCD encoder, scanning circuit and driving circuit Integrated static RAM, each data can be addressed without change all display when updating Integrated analog and digital brightness control, each dot display brightness consistent Inside chip integrated scan circuit, do not take up system resources Chip occupies only 3 IO port, you can cascade
Specification: Dimensions: 32 x 32 x 14mm Mounting holes: 3mm Pitch: 1000 * 1000mil (25.4 * 25.4mm) Color: Red Voltage: 5V Chip: MAX7219 LED: 8 * 8 common cathode lattice, removable Port: SPI can cascade
