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Newly Updated Circuit Projects:

Greatest Myths about LED Lighting

Last Updated on June 1, 2026 by Swagatam 12 Comments

LED lighting products are relatively new for the commercial market and as with any new product, they have to deal with doubt and negative comments from consumers’ side. There just is a lot of false information about LED lights that creates many misconceptions about them. So here are the greatest myths about LED lamps and […]

Filed Under: Lamps and Lights Tagged With: Greatest, LED, Lighting, Myths

Designing a Powerful 48V 3KW Electric Vehicle

Last Updated on March 26, 2022 by Swagatam 15 Comments

DRV8307

In this post I have explained a few important parameters related to the making of  a 48V 3KW electric vehicle using solar panel, including a full fledged circuit diagram for the same. The idea was requested by Mr. Sreejith. Circuit Objectives and Requirements I am Sreejith Rajan a b.tech student doing a project on electric […]

Filed Under: Solar Controller Circuits Tagged With: 3KW, 48V, Designing, Electric, Powerful, Vehicle

Automatic Food Warmer Lamp for Hotels

Last Updated on January 3, 2024 by Swagatam 3 Comments

food warmer lamp timer circuit

In this post I have explained a simple food warmer lamp timer circuit for restaurants and hotels which can be used for automatically switching OFF the lamps after a predetermined time whenever the food under the lamps are idle or in the absence of an interaction under the lamps, thus saving precious electricity. The idea […]

Filed Under: Temperature Controllers Tagged With: Automatic, Food, Hotels, Lamp, Warmer

Controlling LED Strip Light ON/OFF and Brightness with any Remote Control

Last Updated on June 8, 2026 by Swagatam Leave a Comment

LEDstripdimmer

In this post I will show how to construct LED strip controller circuit using Arduino, which can turn ON/OFF and decrease/increase brightness of LEDs using ordinary IR (Infrared) remote. What is LED Strip Light? (For noobs) If you are not familiar with LED strip lights, let’s understand what it is. LED strips (sometimes called as […]

Filed Under: Lamps and Lights, Remote Control Circuits Tagged With: Controlling, LED, Light, OFF, ON, Strip

Transistor Stray pickup False Triggering Problem

Last Updated on May 20, 2026 by Swagatam 4 Comments

Transistorcircuit 2

In this article I have explained how to make any BJT or mosfet based circuit free from stray signal pickup and false triggering by simply attaching a filter resistor or a capacitor across their base/emitter or gate/source terminals. The problem was raised by Mr.Henrik. Solving a Circuit Problem I have an issue I don’t understand. […]

Filed Under: Electronics Theory Tagged With: False, pickup, Problem, Stray, Transistor, Triggering

3 phase Solar Submersible Pump Inverter Circuit

Last Updated on January 4, 2024 by Swagatam 86 Comments

3phase

In this post I have explained a simple  3 phase solar submersible pump inverter circuit which can be made by configuring a few ICs and a few power devices. The idea was requested by Mr. Lufono and Mr. Sami. Circuit Objectives and Requirements First of all i must say thanks to you and  Mr. Lufono, […]

Filed Under: Inverter Circuits, Solar Controller Circuits Tagged With: Inverter, Phase, Pump, Solar, Submersible

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