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Newly Updated Circuit Projects:

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

Electronic 12V DC Capacitive Discharge Ignition (CDI) Circuits

Last Updated on May 16, 2026 by Swagatam 304 Comments

enhanced CDI

In the following post I have explained a simple yet enhanced 12V capacitive discharge ignition system which derives its operating voltage from the battery instead of the alternator for generating the igniting sparks. Since it works independently from the alternator voltage, without depending on a pickup coil signal, it is able to function more efficiently […]

Filed Under: Automobile Electronics Tagged With: 12V, Capacitive, DC, Discharge, Electronic, Ignition

How to Manufacture Automobile Electronic Parts and Earn a Handsome Income

Last Updated on May 16, 2026 by Swagatam 4 Comments

containeronepickgadgetarewriteMimeimageurlhttpimages.brighthub.com6386381fbc49d808e4ec98eca502167dc077f287b39 orig

To set up an auto electrical manufacturing unit, it’s important to have a thorough knowledge regarding the various technicalities associated with the field. The article makes a comprehensive approach and explains all the issues related to the subject. Introduction We begin with the basic raw materials and man power required for the intended installations and […]

Filed Under: Automobile Electronics Tagged With: Automobile, Earn, Electronic, Handsome, Manufacture, Parts

High Voltage, High Current DC Regulator Circuit

Last Updated on May 16, 2026 by Swagatam 71 Comments

high voltage DC stabilizr circuit

We all are pretty familiar with the 78XX voltage regulator ICs or the adjustable types such as LM317, LM338 etc. Though these regulators are outstanding with their specified functioning and reliability, these regulators have one big disadvantage…. they won’t control anything above 35V. Circuit Operation The circuit presented in the following article introduces a DC […]

Filed Under: Automobile Electronics Tagged With: Current, DC, High, Regulator, Voltage

Simple Car Burglar Alarm Circuit

Last Updated on May 16, 2026 by Swagatam 6 Comments

Learn how to build a simple car burglar alarm circuit right in your home. The circuit is built around a few trivial components and yet proves to be totally fool proof with the security of car accessory to which it has been integrated. You certainly won’t like waking up just to see your car audio […]

Filed Under: Automobile Electronics, Security and Alarm Tagged With: Alarm, Burglar, Simple

How to Make a Bicycle Horn Circuit with Ringtone

Last Updated on May 16, 2026 by Swagatam 17 Comments

inductor

A bicycle horn is normally used in bicycles for generating an amplified alarm sound with a press of a button for alerting anybody getting on the path of the running bicycle. In this post I have explained the complete construction of an electronic bicycle horn circuit which will resemble a phone musical ringtone sound. Introduction […]

Filed Under: Automobile Electronics Tagged With: Bicycle, Horn, Ringtone

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