The module is a 12-foot clock with 4 points of positive digital (0.36 inches) display module driver IC TM1637, only two signal lines can make SCM four 8-segment LED.

Module features are as follows:

Display of male red for the four digital tube

Adjustable digital tube 8 gray

Level control interface for 5V or 3.3V

4 M2 screws positioning holes for easy installation

4 digital display interface module as shown below:

Control Interface: A total of four pins (GND, VCC, DIO, CLK), GND to ground, VCC is the power supply, DIO of data input and output pin, CLK is the clock signal pin;

Digital tube: 4 common anode score points with 0.36 inches LED, red highlights;

Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination.