Description:
The module is a 12 foot with a clock point four common anode tube (0.36 inch).
The driver IC is TM1637, only two signal lines can make the MCU control 4 bits 8 digital tube. Can be used to display decimal, letters and so on.

Feature:
Display device is 4-digit common anode red digital tube
Digital tube 8-level grayscale adjustable
Working Voltage: 3.3V / 5V DC
Working Current: 30 / 80MA(when 5V supply power)
LED Display: 0.36 inch
Color: Red
Size: 42*24*12mm, Weight: 10g
4pcs M2 screw holes for easy installation, hole diameter is 2.2mm.


Connect to for Arduino
GND—ground (GND)
VCC--power supply (3.3V to 5V)
DIO--data input and output (D2)
CLK--clock signal pin (D3)



The driver IC is TM1637, only two signal lines can make MCU control 4 Digit 8-segment LED.
Control interface level can be 5V or 3.3V.
LED Display: 0.36 inch, Display Color: Red, Size: 42*24*12mm, Weight: 10g
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.
4pcs M2 screw holes for easy installation, hole diameter is 2.2mm.