MAX7219 New Red Dot Matrix Module Support Common Cathode Drive with 5-Dupont Lines for Arduino

Main Features: 1. Working voltage: 5V 2. Can drive common cathode Dot matrix module 3. With input and output port, supports several module cascade 4. MAX7219 is an integrating serial input / output common cathode display driver, it connects microprocessor to 8-digit or 7-digit LED display, bar graph display and 64 red LED