Product Review
If you like other colors,you can click on the links:
Blue light led:https://www.amazon.com/dp/B07FNCY6DZ
Green light led:https://www.amazon.com/dp/B07FNHKD5W
Wiring instructions:
â—The left side of the module to the input port, the right to an output port
â—When the control of a single module, simply input port connected to CPU
â—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...
â—51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
â—Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
â—And due to the difference between different monitors, the picture may not reflect the actual color of the item.
Package list:
â—1x MAX7219 Dot Matrix Module 4-in-1
â—1x 20cm DuPont line 5pin