Wangdd22 MAX7219 Dot Matrix Module For Arduino Microcontroller 4 In 1 Display with 5pin Line
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Last refresh Mar/12/2019 02:11 PM
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item.
1x MAX7219 Dot Matrix Module 4-in-1
1x 20cm DuPont line 5pin
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