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Digital Tube LED Battery Level Display Module for Arduino£¬AVR£¬ARM£¬PIC
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; http://m5.img.dxcdn.com/CDDriver/CD/sku.340914.zip