This circuit indicates the remaining battery life bAy varying the duty cycle and flash rate of an LED as the battery voltage decreases. In fact, the circuit actually indicates five battery conditions: ...

It happens to all of us: you are running around all day, sending messages and opening apps on your phone, and long before you are home you get the dreaded warning that your battery is low. But before ...

You should never ignore critical warning lights like the Oil Pressure, Brake System, Engine Temperature, Battery, and Airbag ...

All supported versions of Windows include a feature that helps you avoid the risk that you’ll lose data when your portable PC runs out of power. Even in the latest Windows 10 versions, these settings ...

Here is the circuit diagram of low battery indicator from silicon chip electronics. This simple circuit lights LED1 when the battery voltage drops below the setting set by trimpot VR1. In effect, VR1 ...