2pcs TM1637 0.36 " LED Display Module For Arduino 7 Segment 4 Bits Clock RED Anode Digital Tube Four Serial Driver Board Pack

4pcs TM1637 0.36 " LED Display Module For Arduino 7 Segment 4 Bits Clock RED Anode Digital Tube Four Serial Driver Board Pack4 M2 screw holes for easy installation.4-digit LED display module with LED brightness adjustable and clock point.Display device is a total of 4 red LED word tube. Digital tube 8 grayscale adjustable.The driver IC is TM1637, only two signal lines can make MCU control four Digit 7-segment LED. Can be used to display decimal, letters and so on.Control interface: a total of 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin.

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