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Battery Style Digital Tube LED Battery Level Display Arduino RPi STM32

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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 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.


1. The module and its libraries are compatible with Ar duino 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;