MAX7219 LED Dot Matrix 8 Digit Digital Tube Display Control Module For Arduino

Features: 100% brand - new and high - quality MAX7219 digital display control module. Compatible with both 5V and 3.3V microcontrollers, it's a great choice for Arduino projects. The MAX7219 is an integrated serial input/output common - cathode display driver. It connects your microprocessor to an 8 - digit 7 - segment digital LED display using only three IO ports. It supports flicker - free and cascading displays. Wiring instructions: VCC to 5V, GND to GND, DIN to P00, CS to P01, CLK to P02. Note: Don't reverse VCC and GND, or it'll damage the chip. Specifications: Material is PCB + Electronic Components. It runs on 5V power. Size is 82*15*12mm (L*W*H), shell colors are blue and black, and net weight is 13g.

Using this MAX7219 LED dot matrix display module is easy. First, make sure to connect it properly according to the wiring instructions. Connect VCC to 5V power and GND to the ground. Then connect DIN, CS, and CLK to the specified ports. When using it with Arduino or other compatible microcontrollers, you can modify the port definition in the program as needed. Remember, never connect VCC and GND in reverse, as this can damage the chip. As for maintenance, keep it in a dry and clean environment. If it gets dirty, you can use a soft, dry cloth to gently wipe it. This will help ensure its long - term performance.