MAX7219 Dot Matrix Module Microcontroller 4 In One Display 5P Line Red Color
7,84 €
Only 3 IO ports are needed to drive 1 dot matrix!No flashing when dot matrix display! Support cascading. A single module can drive an 8 8 common negative dot matrix. When multiple modules are cascaded, the input of the first module is connected to the CPU, the output is connected to the input of the second module, the output of the second module is connected to the input of the third module, and so on.
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