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DOT MATRIX 4 IN 1 WITH MAX7219 DRIVER

DOT MATRIX 4 IN 1 WITH MAX7219 DRIVER







Description:
1. A single module can drive a 8x8 dot matrix common cathode
2. Operating voltage: 5V
3. dimensions: length 12.8 cm X 12.8 cm wide and 1.3 cm high X
4. module with input and output interfaces, support for cascading multiple modules

Wiring instructions:
1. The left side of the module to the input port, the right to an output port.
2. When controlling a single module, simply connect CPU to input port .
3. Modules can be cascaded with output port of one module connected to input port of the second one.

Arduino code sample

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