Product Information
- 4 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 8-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.