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New Circuit Projects

Build a Homemade GSM Car Security System

Last Updated on November 9, 2023 by Swagatam 54 Comments

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This super simple circuit design of a gsm car security system really works.Don’t believe it? Find out and learn the simple method of constructing it. How would you feel if you had the power of controlling your vehicle through your own cell phone, from any part of the world? Learn more how to build a […]

Filed Under: Automobile Electronics Tagged With: Build, GSM, Homemade, Security, System

IC 555 LED Circuits (Blinking, Flashing, Fading Effect)

Last Updated on November 15, 2023 by Swagatam 171 Comments

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In this post I have explained how to assemble IC 555 for generating interesting LED circuits with blinking, flashing and fading light effects with some minor modification and enhancements. Why use an IC 555 Astable The astable multivibrator mode is the most fundamental mode of operation of the IC 555. In this mode it basically […]

Filed Under: Mini Projects Tagged With: 555, Blinking, Circuits, Fading, Flashing, LED

Making LED Lamp using Cellphone Charger

Last Updated on November 15, 2023 by Swagatam 100 Comments

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A plug-in type powerful wall LED lamp can be built at home by using a few white LEDs and by powering it through a cell phone charger. The power from cell phone charger is around 6 volts at 500 mA approximately. Why use a Cell Phone Charger The supply from a cell phone charger may […]

Filed Under: Lamps and Lights Tagged With: Cellphone, Charger, Lamp, LED, Making

Make an Electronic Candle at Home Circuit

Last Updated on December 1, 2023 by Swagatam 23 Comments

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The proposed electronic candle circuit  does not use wax, paraffin or flame, yet the device perfectly simulates a conventional candle. Basically it incorporates ordinary electronic parts like LED and battery. The interesting part of it is that it can be extinguished with literally a puff of air. The proposed electronic LED candle circuit helps you […]

Filed Under: Mini Projects Tagged With: Candle, Electronic, Home

How to Illuminate 100 LEDs from 6 Volt Battery

Last Updated on November 8, 2023 by Swagatam 21 Comments

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In this article I have explained an innovative way of driving more than a hundred white LEDs from a 6 volt battery. The circuit utilizes the IC 555 for driving a step up transformer, whose output is finally used for illuminating the LEDs. A special PWM configuration makes the circuit much power efficient. Main Stages […]

Filed Under: Lamps and Lights Tagged With: 100, Battery, Illuminate, LEDs, Volt

230 Volts Bulb String Light Circuit for Diwali and Christmas

Last Updated on January 19, 2025 by Swagatam 33 Comments

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In this article I have explained how to wire tiny 12 volt flashlight bulbs into decorative string light for decorating houses during festivals like Diwali and Christmas. What are String Lights As the name suggests a string light is a wired lamp system in which many lamps such as bulbs or LEDs are joined together […]

Filed Under: Mini Projects Tagged With: 230, Bulb, Diwali, Light, String, Volts

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