LM317

Simple Variable Negative Voltage Regulator Circuit Simple Variable Voltage Dual Power Supply Circuit (-14V to 14V)

Many Analog Electronic circuits require dual power supply rails for proper balanced operation one being the Operational…

Arduino Power Supply Shield with 3.3v, 5v and 12v Output Options DIY Arduino Power Supply Shield with 3.3v, 5v and 12v Output Options

When developing electronic projects, the power supply is one of the most important part of whole project and there is always…

Current Regulators Construction, Working and Design Types Current Regulators: Construction, Working and Design Types

Just like situations in which we need to regulate the voltage in our designs, there are scenarios where we need to regulate the…

How to make a Supercapacitor Charger Circuit How to make a Supercapacitor Charger Circuit

The term Supercapacitors and its possible usage in Electric Vehicles, Smartphone’s and IoT devices are being considered…

7.4V Two Step Lithium Battery Charger Circuit - CC and CV mode 7.4V Two Step Lithium Battery Charger Circuit - CC and CV mode

The advancement in Electric Vehicles, Drone and other mobile electronics like IoT Devices seems to be promising for the future…

Soft Start Circuit for Power Supply Soft Start Circuit for Power Supply

A Soft Start Circuit prevents the sudden current flow in the circuit during the start. It slows down the rate of rising output…

DIY Breadboard Power Supply Circuit on PCB DIY Breadboard Power Supply Circuit on PCB

A Power supply unit is a very commonly used tool by most engineers during the development stage. I personally use it a lot when…

Ni-Cd Battery Charger Circuit Ni-Cd Battery Charger Circuit

Previously we have built many types of charger circuits, that incudes Solar mobile Charger, Float charger circuit, 12v Battery…

LM317 Variable Voltage Regulator Circuit LM317 Variable Voltage Regulator Circuit

Whenever we need a constant and specific value of voltage without fluctuation we use voltage regulator IC. They provide a fixed…

Float Charger Circuit for 12v SLA Battery Float Charger Circuit for 12v SLA Battery

A float charger, also called as maintenance charger or smart charger, is used to charge a lead acid battery to top-up the self-…