8x8 LED 5.5V matrix Max7219 Cascadable For Arduino

Description

Wiring instructions: 1.The module left as an input port to the output port on the right. 2.The control of a single module, simply input port to the CPU 3.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 Shipping List: 1 x MAX7219 Dot Led Matrix Module MCU LED Display Control Module Kit For Arduino