HR0122 MAX7219 Dot Matrix Module

•   A single module can drive an 8 * 8 common cathode lattice

•   Module Operating voltage: 5V.

•   Module size: 5 cm long X 3.2 cm wide X 1.5 cm high

•   With four screws hole, aperture 3mm, by using our M3 Tongzhu fixed

•   Module with input and output interfaces, supports multiple modules cascade

•   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

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