Controlling 8x8 Dot Matrix With Max7219 And Arduino

✈ When the control of a single module, simply enter the port received a CPU ✈ When more than 3 modules cascaded output input termination CPU, the input output termination module of the first two modules of the first one, the first two modules of the termination input terminal of the three modules, and so on. To 51 single example: VCC → 5V GND → GND DIN → P2.2 CS → P2.1 CLK → P2.0 Package included: 6* MAX7219 Dot Matrix M 【LED Matrix Voltage】Module Operating voltage: 5V, MCU control 【MAX7219 8x8 Advantage】Modules with input and output interfaces, support for cascading multiple modules. 【MAX7219 Module Size】(L*W*H)3.2 X 3.2 X 1.5 cm.