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You are here: Home / Archives for Car and Motorcycle

3-Pin Solid-State Car Turn Indicator Flasher Circuit – Transistorized

Last Updated on January 17, 2023 by Swagatam 6 Comments

Although, most of the car electronics have evolved into solid-sate versions, a turn indicator flasher unit is one device which still depend on a relay based design in many of […]

Filed Under: Car and Motorcycle

4 Solid-State Car Alternator Regulator Circuits Explored

Last Updated on July 2, 2020 by Swagatam 70 Comments

The 4 simple car voltage current regulator circuits explained below is created as a immediate alternative to any standard regulator and, although developed principally for a dynamo it will function […]



Filed Under: Car and Motorcycle

Automotive LED Driver Circuits – Design Analysis

Last Updated on May 20, 2022 by Swagatam 38 Comments

In cars or automobiles, LEDs have grown to be the preferred choice of lighting. Whether it’s the rear tail-lights or the tell-tale indicators in the cluster as indicated in Figure […]

Filed Under: Car and Motorcycle

Car Warning Tone Generator for Ignition, Headlight, Turn Lights

Last Updated on January 7, 2020 by Swagatam 10 Comments

The circuit explained here is basically a warning signal generator designed largely for automobile application. It triggers a warning signal in a situation when the turn indicator switch is not […]

Filed Under: Car and Motorcycle

Ice Warning Circuit for Automobiles

Last Updated on October 1, 2019 by Swagatam 2 Comments

Devices that react to variations in atmosphere or fluid heat are simple to construct due to the easy availability of thermistors. This car ice warning circuit explains how to implement […]

Filed Under: 741 IC Circuits, Car and Motorcycle, Mini Projects

Ultrasonic Fuel Level Indicator Circuit

Last Updated on June 15, 2021 by Swagatam 45 Comments

An electronic device or circuit which detects and indicates the various fuel levels in a fuel tank without a physical contact, through ultrasonic waves, is called an ultrasonic fuel level […]

Filed Under: Arduino Engineering Projects, Car and Motorcycle, Ultrasonic Projects



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