@▷ Battery Level Indicator Circuit Schematic Diagram | Diagram for Schematic

Battery Level Indicator Circuit Schematic Diagram

The following circuit diagram is from the National Semiconductor Application Notes. It is a battery level indicator and designed for 9V battery operation. This circuit will start dimming below 7V and completely turned off at 6V. If you want the LED indicator not to dimming but just turns off everytime it reaches below 6V, just remove the R3 and change the R1 to 330k. Here is the circuit diagram :

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