4 Bits Digital Tube LED Display Module TM1637

• 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

• 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:

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