Battery Style Digital Tube LED Battery Level Display Module for Arduino / AVR / ARM / PIC - Blue
This is battery level display module based on battery style digital tube LED. The 5 - segment LED inside is red light and the frame is green light. There is a driver chip TM1651 onboard so the control interface is simple just two signal lines and VCC / GND. It can be used to display the battery power. Features: 1. The module and its libraries are compatible with Arduino UNO Leonardo DUE 2. 8 adjustable gray; 3.Power supply should be 3.3~5.5VDC; 4. Logic level of the interface can be 3.3V / 5V; 5. 4 screw mounting holes whose diameter is 2.2mm;