Description: A single module can drive an 8 * 8 common cathode lattice Module Operating voltage: 5V. Fixing screws with 64 holes with a diameter about 3mm Module with input and output interfaces, supports multiple modules cascade The control of a single module, just need to input ports from the CPU Wire Length: Approx. 20cm/ 7.87inch Size: Approx. 128x 32x 13mm/ 5.04x 1.26x 0.51inch Specification: Wiring instructions: The module left as an input port to the output port on the right. The control of a single module, simply input port to the CPU Multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on ... 51 MCU, for example: VCC ? 5V GND ? GND DIN ? P22 CS ? P21 CLK ? P20 Package Includes: 1 Piece MAX7219 LED Dot matrix Module 1 Piece 20cm 5P Line Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement
