Once the circuit is assembled and set up, the below shown design can be used for charging any spare Li-Ion Battery through the 5V Mobile Charger or USB port.First connect the battery across the , Read More….

Friends this is very simple circuit to indicate battery is full or empty. When Green led on it shows Battery is full and Red LED shows battery is empty. This is very simple circuit based on Transistor BC547.Read More….

This battery charger circuit provides the Automatic cut off the facility when the battery gets fully charged.Before the use of this circuit, you need to adjust the Cut off voltage range for Read More….

This battery charger circuit provides the Automatic cut off  facility when the battery gets fully charged.Before the use of this circuit, you need to adjust the Cut off voltage range for the auto cut. Read More….

In this project, I will show you how to design a simple Battery Level Indicator Circuit using easily available components. Battery level indicator indicates the status of the battery just by glowing LED’s. Read More…

Hello, Friends, This is the Best battery level indicator Circuit Diagram. You can use this circuit with any battery 3.7v/4v/6v/9v/12v etc.. you can adjust VR1-VR4 according to voltage Level. See the full Read More….

With the help of this article u can easily make 0-30V 0-10A Regulated Variable / Adjustable Power Supply Circuit at home.Every lab needs to be equipped with essential equipment. Out of all Read More….

LM317 is a three terminal voltage regulator IC from National Semiconductors. The IC is capable of delivering up to 1A of output current. Input voltage can be up to 40V and output voltage Read More….

Short circuit protection Circuit is often a desirable feature to add to power amplifiers or power supplies, for both safety concerns and protection of circuitry.A common example of short-circuit Read More….