Red MAX7219 8-Digit LED Display Module Digital Tube For Arduino SPI Control
1,96 €
1 x MAX7219 8-Digit LED Display Module Digital Tube. 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.
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