10 Stück Rot MAX7219 8-stelliges LED Anzeigemodul Digitalröhre für Arduino
32,81 €
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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