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Vehicle

Vehicle Body Metal Detector Circuit

Last Updated on May 16, 2026 by Swagatam 2 Comments

block diagram

The main objective we are trying to achieve with this vehicle body metal detector is that only an automobile can trigger the opening of the gate. The solution involving the interruption of a light beam is not suitable, so we turned to a metal detector, as metal is a primary material in any automobile. In […]

Filed Under: Automobile Electronics Tagged With: Body, Detector, Metal, Vehicle

Vehicle Parking Lot Counter Circuit

Last Updated on May 16, 2026 by Swagatam 4 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

Vehicle Speed Detector Circuit for Traffic Police

Last Updated on June 9, 2026 by Swagatam 3 Comments

setup

In this post I will show how to construct a circuit which can measure the speed of any vehicle on roads and highways. The proposed circuit is kept stationary at a place where the vehicles are suspected to over-speed. If any vehicle goes beyond the speed limit, the circuit alerts immediately. We will be looking […]

Filed Under: Arduino Projects Tagged With: Detector, Police, Speed, Traffic, Vehicle

Designing a Powerful 48V 3KW Electric Vehicle

Last Updated on March 26, 2022 by Swagatam 15 Comments

DRV8307

In this post I have explained a few important parameters related to the making of  a 48V 3KW electric vehicle using solar panel, including a full fledged circuit diagram for the same. The idea was requested by Mr. Sreejith. Circuit Objectives and Requirements I am Sreejith Rajan a b.tech student doing a project on electric […]

Filed Under: Solar Controller Circuits Tagged With: 3KW, 48V, Designing, Electric, Powerful, Vehicle

Vehicle Speed Limit Alarm Circuit

Last Updated on May 16, 2026 by Swagatam 20 Comments

In our previous articles we have learned comprehensively regarding the ICs LM2907/LM2917 which are fundamentally frequency to voltage converter ICs, and are ideally applicable in all such relevant fields. Here we see how the same chip can be applied for making a vehicle speed limit alarm circuit. Using a Single IC for Speed Detection As […]

Filed Under: Automobile Electronics Tagged With: Alarm, Limit, Speed, Vehicle

Vehicle Immobilizer Circuit Explained

Last Updated on May 16, 2026 by Swagatam 9 Comments

CarImmobilzer

If you own a car and still haven’t incorporated any security system in it or perhaps your old security system is out of order, you can quickly opt for a cheap yet effective security option for your car or any vehicle by installing the proposed circuit. It will cost you not more than a dollar. […]

Filed Under: Automobile Electronics Tagged With: Explained, Immobilizer, Vehicle

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