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Ignition

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

Last Updated on May 16, 2026 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

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

Car Warning Tone Generator for Ignition, Headlight, Turn Lights

Last Updated on May 16, 2026 by Swagatam 10 Comments

car warning tone

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 restored back to its neutral status. The circuit is especially useful for all those cars where the turn indicator system is not supported with an […]

Filed Under: Automobile Electronics Tagged With: Generator, Headlight, Ignition, Tone, Turn, Warning

How to Build a Pyro-ignition Circuit – Electronic Pyro Igniter system

Last Updated on September 20, 2025 by Swagatam 7 Comments

pyroignition 2

The following conversation was made by Mr.Tom and me regarding the circuit idea of a pyro-iginition system. I was asked to design the particular circuit idea by Mr.Tom in Fiverr.com. Technical Specifications The discussion explains the details of his requirement and how it was almost fulfilled by me Hi Swagatam, I was wondering if you […]

Filed Under: Temperature Controllers Tagged With: Build, Electronic, Igniter, Ignition, Pyro, System

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