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.
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.