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Newly Updated Circuit Projects:

Oil Burner Button Start Ignition Circuit

Last Updated on May 16, 2026 by Swagatam 9 Comments

oilburnercontrollercircuit

In this post I have explained a simple automatic ignition for an oil burner system system which is initiated with a push button operation. The idea was requested by Mr. Andreas. Technical Specifications I have a request and i wonder if its possible for someone to find a simple circuit about oil burner controller. I’m […]

Filed Under: Automobile Electronics Tagged With: Burner, Button, Ignition, Start

Model Locomotive Infrared Controller Circuit

Last Updated on May 16, 2026 by Swagatam 16 Comments

locomotiveIRID

In this article I have explained a model locomotive controller circuit using uniquely set IR beams for different locomotives allowing unique identification signals and controls for the engines. The idea was requested by Mr. Henrik. Technical Specifications Thank you very much for all your circuits / schematics. I will for sure build many of them.For […]

Filed Under: Automobile Electronics Tagged With: Controller, Infrared, Locomotive, Model

How to Drive High Watt LEDs with Arduino

Last Updated on June 1, 2026 by Swagatam 1 Comment

ARDUINOHIGHWATTFLASHER 1

In this post I have explained the method of incorporating high watt LEDs with Arduino through external high voltage supplies. The question was put forth by Mr. Cole. The Circuit Question I stumbled upon your blog and I love it! So much great information and great ideas Right now I am trying to figure out […]

Filed Under: Arduino Projects, Lamps and Lights Tagged With: Arduino, Drive, High, LEDs, Watt

How to Make an Industrial Delay Timer Circuit

Last Updated on July 13, 2019 by Swagatam 21 Comments

solenoidtimercircuit

In this post we’ll study two simple externally triggered timer circuits for two different application needs, the ideas were requested by Mr. Alan and Ms.Stevanie Circuit Request#1 I only wish I understood electronics as you do. Would you please help me with a simple timer circuit which would be adjustable for up to 30 seconds […]

Filed Under: Timer and Delay Relay Tagged With: Delay, Industrial, Timer

Simple RGB LED Controller Circuit

Last Updated on June 1, 2026 by Swagatam 49 Comments

rgbcontroller

In this post I have explained how to make a simple RGB (Red, Green, Blue) LED controller circuit which may be designated to flash a group of RGB LEDs with a particular sequencing pattern. The idea was requested by Mr. Navdeep. Technical Specifications I want to make a display board with red, green and blue […]

Filed Under: Lamps and Lights Tagged With: Controller, LED, RGB, Simple

High Power Industrial Mains Surge Suppressor Explored

Last Updated on January 3, 2024 by Swagatam Leave a Comment

highenergyvaristor

In this post I have explained a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading a lot of your design ideas and I am extremely impressed with your designs. I don’t have anywhere near your level of […]

Filed Under: Voltage Control and Protection Tagged With: High, Industrial, Mains, Power, Suppressor, Surge

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