Red MAX7219 8-Digit LED Display Module Digital Tube for Arduino SPI Control AU
1,47 €
1PCS Red MAX7219 8-Digit LED Display Module Digital Tube for arduino. Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program) 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines.
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