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Newly Updated Circuit Projects:

Simple Ignition Code Lock Circuit for Automobile Protection

Last Updated on May 16, 2026 by Swagatam 15 Comments

codeswitch 1

This extremely simple code lock switch circuit can be used for locking a vehicle’s ignition by typing a hidden code over the given micro switch keypads. So now you can use this simple code lock ignition circuit for probably securing your car from a possible theft. Alternatively the circuit may be used for any application […]

Filed Under: Automobile Electronics Tagged With: Automobile, Code, Ignition, Lock, Protection, Simple

Simple Capacitive Discharge Ignition (CDI) Circuit

Last Updated on May 16, 2026 by Swagatam 348 Comments

cdi

In this post I have explained the circuit for a simple, universal capacitive discharge ignition circuit or a CDI circuit using a standard ignition coil and a solid state SCR based circuit. For an audio/video explanation, you can watch the following video representation: How Ignition System in Vehicles Work The ignition process in any vehicle […]

Filed Under: Automobile Electronics Tagged With: Capacitive, CDI, Discharge, Ignition, Simple

Rain Triggered Instant Start Windshield Wiper Timer Circuit

Last Updated on May 16, 2026 by Swagatam 6 Comments

raintriggererdwipercircuit

The following circuit was requested by one of the readers of this blog Mr. Keval. The actual request was for a rain triggered windshield wiper circuit, but the idea here has been further enhanced with a quick start feature for better efficiency. How Conventional Wiper Systems Work Normally, electronic wiper control circuit involve a bistable for switching the […]

Filed Under: Automobile Electronics Tagged With: Instant, Rain, Start, Triggered, Windshield, Wiper

2-Pin Motorcycle Turn Signal Flasher Indicator Circuit with Buzzer

Last Updated on May 16, 2026 by Swagatam 25 Comments

flasher

A simple construction procedure of a motorcycle electronic 2 pin turn signal indicator with beeper circuit has been thoroughly I have explained in this article. Normally, the electro-mechanical types of turn signal indicators are not reliable due to low consistency and vulnerability to changing weather conditions. The present design easily withstands the above parameters and […]

Filed Under: Automobile Electronics Tagged With: Buzzer, Flasher, Indicator, Motorcycle, Signal, Turn

Make this Voltage Stabilizer Circuit for Your Car

Last Updated on May 16, 2026 by Swagatam 53 Comments

carvoltagestabilizercircuit

In this post I have explained about a car voltage stabilizer circuit which could be made and installed in all cars for ensuring a perfectly controlled and stabilized supply for the associated sensitive electronics and gadgets. Understanding Car Electrical A car electrical is probably more volatile than our house electrical, simply because it is generated […]

Filed Under: Automobile Electronics Tagged With: Stabilizer, Voltage

Simple Electronic Fuse Circuit

Last Updated on May 16, 2026 by Swagatam 50 Comments

carelectronicfusecircuit

In this article we investigate a electronic circuit design which works like a conventional fuse for safeguarding any electrical system from overloads, over-current, short circuit and related fire hazards. However, the main advantage of this electronic fuse is that it does not require frequent replacements like mechanical fuses, instead it can be reset with a […]

Filed Under: Automobile Electronics Tagged With: Electronic, Fuse, Simple

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