MAX7219 is an integrated serial input / output common-cathode display driver, it connects the microprocessor with 8 digits 7-segment digital LED display
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- A single module can drive a total of 8 * 8 dot matrix overcast
- The module voltage: 5V
- Module Size: 12.8 cm (length) X 3.2 cm (width) X 1.3 cm (height)
- 64 fixing screw holes, diameter: 3mm
- Module with input and output interfaces, support for cascading multiple modules
The left side of the module is the input port, and the right is the output port.
Control of a single module, the input port only need to receive CPU.
The more a module cascade and input end of the first module is connected with the CPU and input end of the input end of the output end is connected to the second module, output terminal of the second module connected with the three modules, and so on.
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