4 Bits Digital Tube LED Display Module TM1637

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4-digit led display with TM1637

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Reference : 00471

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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;

Example:

http://arduinotehniq.blogspot.com/2016/04/4-digit-led-display-with-tm1637-and.html