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10 Automatic Emergency Light Circuit Diagrams Explain

Last Updated on January 17, 2025 by Swagatam 278 Comments

In this article I have explained 10 simple automatic emergency light circuits using high bright LEDs. This circuit can be used during power failures and outdoors where any other source of power might be unavailable. What’s an Emergency Lamp An emergency light is a circuit which automatically switches ON a battery operated lamp as soon […]

Filed Under: Lamps and Lights Tagged With: Automatic, Diagrams, Emergency, Explain, Light

Automatic Vehicle Headlight Dipper/Dimmer Circuit

Last Updated on November 10, 2024 by Swagatam 56 Comments

AutomaticAutomobileLightDipperCircuitDiagram252CImage

The circuit described here can be built and used in your vehicle for an automatic dipping and dimming operation of the vehicle headlamps, in response to the intense lights coming from an opposite vehicle headlamps. What’s a Dimmer/Dipper in Automobiles An automobile headlight dimmer/dipper is a circuit which automatically switches the headlight intensities of vehicles arriving from […]

Filed Under: Automobile Electronics Tagged With: Automatic, Dimmer, Dipper, Headlight, Vehicle

How to Use LM317 for Making a Variable Power Supply Circuit

Last Updated on November 10, 2024 by Swagatam 170 Comments

IC 317 Power Supply2C Simplest

In this post I will elaborately explain how to build a simple LM317 based adjustable power supply circuit using minimum number of external components. As the name suggests a variable power supply circuit provides the user with a range of linearly varying output voltages through a manually controlled potentiometer rotation. A LM317 is a versatile […]

Filed Under: Power Supply Circuits Tagged With: LM317, Making, Power, Supply, Variable

How to Configure a Solar Panel System – Living of the Grid

Last Updated on November 6, 2023 by Swagatam 5 Comments

GridTieInverter252CWiringDetails252CDiagram

In thi post I have explained how to connect and integrate readymade solar panel system with our home, without depending on technical personnel or experts. The main gadgets required for implementing this are: a solar panel, a solar controller, battery and an inverter Introduction It’s been there since the earth was born and it is […]

Filed Under: Solar Controller Circuits Tagged With: Configure, Grid, Living, Panel, Solar, System

AC 220V/120V Mains Surge Protector Circuits

Last Updated on November 10, 2024 by Swagatam 174 Comments

Simple Mains AC Surge Protector Circuit Diagram2C Image

Voltage spikes  can sometimes be a big nuisance as far as the safety of the various electronic appliances are concerned. I have explained how to make a simple AC Mains surge protector circuits at home. What is a Surge Protector A surge protector is an electrical device which is designed to neutralize minor electrical spikes […]

Filed Under: Voltage Control and Protection Tagged With: 120V, 220V, AC, Mains, Protector, Surge

Simple Peltier Refrigerator Circuit

Last Updated on November 10, 2024 by Swagatam 11 Comments

HowtoMakeaSimplePeltierRefrigerator

In this post I have explained a straightforward procedure for building a simple refrigerator using Peltier device for generating the required cooling effect inside the fridge. How Peltier Device Works We are all familiar with a Peltier device and know how it functions. A Peltier device is a 2-wire semiconductor device having two surfaces that […]

Filed Under: Temperature Controllers Tagged With: Peltier, Refrigerator, Simple

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