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Newly Updated Circuit Projects:

Car Radiator Hot Indicator Circuit

Last Updated on May 16, 2026 by Swagatam 3 Comments

car radiator indicator circuit 1

The proposed circuit is very useful which warns the car driver before hand once the radiator gets heated up above the preset level. How it Works The working of this circuit is very simple and works off on the car battery. The familiar IC555 is used here which is the heart of the circuit. The […]

Filed Under: Automobile Electronics, Indicator Circuits Tagged With: Indicator, Radiator

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

Motorcycle Voltage Regulator Circuits

Last Updated on May 16, 2026 by Swagatam 227 Comments

mosfetregulatorcircuit3phase

In the article below I have explained a compilation of simple yet accurate motorcycle voltage regulator circuits, which can be used for regulating the varying alternator voltage into a fixed DC voltage. Voltage regulator circuit is very important in motorcycles and two wheelers since they ensure a regulated battery charging thus keeping the battery safe […]

Filed Under: Automobile Electronics Tagged With: Circuits, Motorcycle, Regulator, Voltage

Pedal Speed Controller Circuit for Electric Vehicles

Last Updated on May 16, 2026 by Swagatam 11 Comments

In this part of the article I have explained about an innovative method of converting pedal press mechanism in electric vehicles into a correspondingly varying electrical signal, which may be further used for processing the speed control of the vehicle. The explained concept will work like an electronic accelerator, which will increase the vehicle speed […]

Filed Under: Automobile Electronics Tagged With: Controller, Electric, Pedal, Speed, Vehicles

Wireless Helmet Mounted Brake Light Circuit

Last Updated on May 16, 2026 by Swagatam 106 Comments

In this post I have explained an innovative wireless LED brake light circuit which can be attached to a biker’s helmet. The LEDs attached with the helmet circuit illuminates in response to the motorcycle braking  generating an enhanced brake light effect from the user’s helmet. The idea was requested by Mr. Bugoy. Technical Specifications Good […]

Filed Under: Automobile Electronics Tagged With: Brake, Helmet, Light, Mounted, Wireless

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