8x8 Dot Matrix Module met MAX7219

Features:
Compact module with integrated 8x8 LED matrix display
Ideal for scrolling signs, message displays, large clocks
Vary brightness of whole display by programming one register
A convenient 3 wire serial interface can connect to Arduino, PIC, RasPi
The entire device includes a 150μA low-power shutdown mode
Modules with input and output interfaces , support for cascading multiple modules
Two ports (Input & Output) for easy cascading of modules
Module Operating Voltage: 5V

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