Module Led Dot Matrix 8×8 Display with Max7219 for Arduino

Model:MAX7219
Can drive an 8 x 8 common cathode lattice
Module with input and output interfaces, supports multiple modules cascade
The left of the module has an input port and the right an output port
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

Spesifikasi:
Operating voltage: 5V
With four screws hole(diameter: 3 mm)
For example 51 MCU:
VCC – 5V
GND – GND
DIN – P22
CS – P21
CLK – P20
Size of the borad: 5 x 3.2 cm
Net weight:17 g
Package weight:27 g
Color:As shown in the pictures