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    Display Module Digital Tube Spi Control Red MAX7219 8-Digit Led For Arduino I mc

    • Item No : 177160141332
    • Condition : New
    • Brand : Markenlos
    • Seller : *mikesaunty
    • Current Bid : US $2.99

    • * Item Description

    • VCC and GND Do not reversed, it would burn the chip. 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. Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program).
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