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Automobile Electronics

Self Adjusting Automobile Headlamp Circuit

Last Updated on November 8, 2021 by Swagatam 6 Comments

auto adjusting vehicle headlamp dipper circuit compressed

A suddenly dimming and brightening automobile headlamp is usually quite undesirable, since it causes a painful interference with the normal vision of the opposite side driver or the passengers. In this post we try to design a gradually self-adjusting automobile headlamp brightness circuit, which enables the brightness of the vehicle headlamp to vary proportionately in […]

Filed Under: Automobile Electronics Tagged With: Adjusting, Automobile, Headlamp, Self

Police/Ambulance Siren Circuit with Rotating Beacon Light

Last Updated on August 31, 2021 by Swagatam 5 Comments

Police Siren

In this post I have explained how to construct a police, ambulance or a fire truck siren circuit using evergreen IC 555 timer and we will also learn how to build a revolving beacon light without any mechanical parts. The proposed project is divided into two parts the siren circuit and the rotating beacon light, […]

Filed Under: Automobile Electronics Tagged With: Ambulance, Beacon, Light, Police, Rotating, Siren

Vehicle Parking Lot Counter Circuit

Last Updated on August 30, 2021 by Swagatam 2 Comments

block digram compressed

In this post I have explained how to construct a vehicle counter circuit that can count the number of vehicles entered in a parking lot at office building, schools, libraries, restaurants, hotels etc. The proposed project can count up to 999 vehicles especially cars and two wheelers and it can even count long vehicles like […]

Filed Under: Automobile Electronics Tagged With: Counter, Parking, Vehicle

Infrared Car Door Lock Security Circuit

Last Updated on November 11, 2023 by Swagatam Leave a Comment

IR transmitter compressed

In this post I have explained how to build a simple yet foolproof infrared based remote control, which can be used for locking and unlocking any vehicle door through a personal remote handset. The remote controlled vehicle door lock is foolproof since it works only with a specific IR frequency range, and will not respond […]

Filed Under: Automobile Electronics Tagged With: Door, Infrared, Lock, Security

Automobile Tester Probe Circuit [Car Fault Finder Probe Circuit]

Last Updated on August 24, 2022 by Swagatam 4 Comments

car electrical fault finder compressed

This simple automotive electrical fault finder probe circuit will enable you to solve most electrical troubleshooting in your cars, tempos, motorcycles etc with a lot of ease and in a hassle free manner. The idea is very simple. The circuit exploits the high impedance gate value of the MOSFET which makes the circuit extremely sensitive […]

Filed Under: Automobile Electronics Tagged With: Automobile, Fault, Finder, Probe, Tester

Converting Wasted Spark Ignition to Sequential Spark, for High Efficiency Combustion

Last Updated on November 8, 2021 by Swagatam 37 Comments

wasted spark 1

In this post I have explained a simple method of converting a wasted spark type ignition system in an automobile, into an enhanced, sequential spark, 6 cylinder engine type ignition system. The idea was requested by Mr. Brenton, as given below: Main Requirements I was looking through the car and motorcycle section but couldn’t find […]

Filed Under: Automobile Electronics Tagged With: Converting, High, Ignition, Sequential, spark, Wasted

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