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Red LED LightStim Circuit for Removing Facial Wrinkles

Last Updated on October 20, 2019 by Swagatam 9 Comments

An LED based LightStim is a device used for rejuvenating facial skin by stimulating cell growth. Normally, RED LED is used in these devices since red light have been found […]

Filed Under: Health Related, Mini Projects

Converting Ordinary Rice Bulb String Light to LED String Light

Last Updated on September 8, 2020 by Swagatam 11 Comments

In this post we study how to convert a rice bulb string light into an LED string light using some simply circuit modification. Circuit Concept Whether it’s during a  festive occasion or […]



Filed Under: LED and Light Effect

230 Volts Bulb String Light Circuit for Diwali and Christmas

Last Updated on June 18, 2022 by Swagatam 33 Comments

The article describes 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 […]

Filed Under: Decorative Lighting (Diwali, Christmas)

12V LED String Light Flasher Circuit for Christmas Decoration

Last Updated on December 22, 2021 by Swagatam 15 Comments

Looking for a simple 12 V LED string light flasher circuit for your next Christmas decoration project? Learn how easy it is to build a LED wig wag string light […]

Filed Under: Decorative Lighting (Diwali, Christmas), Mini Projects

How to Make Powerful Car Headlights Using LEDs

Last Updated on December 8, 2019 by Swagatam 17 Comments

In this post we see how to build an enhanced and efficient car headlight lamp using Pirhana LEDs. A car LED headlight is a powerful lamp built using high efficiency […]

Filed Under: Car and Motorcycle

Light Emitting Diodes (LED) Explained

Last Updated on August 30, 2022 by Swagatam Leave a Comment

The full form of LED is Light Emitting Diode. LEDs are special type of semiconductor diodes which emit light in response to a potential difference applied across their terminals, hence […]

Filed Under: Electronics Tutorial, LED and Light Effect

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