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You are here: Home / Archives for LED and Light Effect

“WELCOME” LED Display Circuit

Last Updated on October 2, 2022 by Swagatam 46 Comments

The post explains how to make a chasing “WELCOME” display circuit sign board, which illuminates each alphabet sequentially until all the 7 alphabets are lit and then the whole display […]

Filed Under: 4017 IC Circuits, Decorative Lighting (Diwali, Christmas), LED and Light Effect

Sunrise Sunset Simulator LED Circuit

Last Updated on March 25, 2021 by Swagatam 9 Comments

In this post we learn how to make a sunrise/sunset simulator circuit using LEDs and just a couple of BJTs. The idea was requested by Mr. Jerry Circuit Objectives and […]



Filed Under: Home Electrical Circuits, LED and Light Effect

Beacon Level Indicator Circuit for Combine Harvester Grain Tanks

Last Updated on July 6, 2019 by Swagatam 2 Comments

The post explains a beacon indicator circuit for combine harvester grain tanks. The idea was requested by Mr. John Bosch. Circuit Objectives and Requirements I would like to retrofit the […]

Filed Under: 555 IC Circuits, LED and Light Effect

How to Add a Dimmer Facility to a LED Bulb

Last Updated on June 18, 2022 by Swagatam 93 Comments

In this article we learn how to make an LED dimmer circuit for enabling a dimming facility to any mains operated LEDs bulb. How LED Bulbs Work We know that […]

Filed Under: LED and Light Effect

Illuminating an LED using Wireless Power Transmission

Last Updated on June 5, 2020 by Swagatam 22 Comments

In this post we learn how to illuminate an LED using wireless power transmission. Wireless Power Technology Wireless power is an emerging technology in this present world. But the stunning […]

Filed Under: LED and Light Effect, Power Supply Circuits

How to make simple a LI-FI (Light Fidelity) Circuit

Last Updated on February 23, 2020 by Swagatam 172 Comments

LI-FI is buzzing around the Internet since past few years; recently LI-FI is gained more popularity around the internet and developers. LI-FI stands for Light Fidelity which was coined by […]

Filed Under: LED and Light Effect, Mini Projects, Simple Circuits

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