Description:

Interface 4 digital display module: (the last picture show)
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 ;

Features:

• Display common anode for the four red LED
• Digital tube 8 gray adjustable
• Level control interface for 5V or 3.3V
• 4 M2 screws positioning holes for easy installation
• Size:42X24X12mm