Description
Wiring instructions:
●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:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
●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.
Package list:
●1x MAX7219 Dot Matrix Module 4-in-1
●1x 20cm DuPont line 5pin
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