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Battery Style Digital Tube LED Battery Level Display Module
This is battery level display module based on battery style digital tube LED. The 5 - segment LED inside is green light and the frame is red 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. Features: - Compatible with Arduino UNO R3; - 8 adjustable luminance levels; - Working voltage: 3.3-5.5VDC; - Working current: 80mA(MAX); - Logic level voltage: 3.3V / 5V;