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Adding a PWM Multi-spark to Automobile Ignition Circuit

Last Updated on May 16, 2026 by Swagatam 13 Comments

pwm 3

The post investigates a simple 2 pin oscillator circuit which may be inserted between the pickup coil and the CDI unit of a vehicle for achieving an induced multi trigger input in response to each signal from the pickup coil coil, this in turn is expected to enhance the sparking ability of the CDI coil. […]

Filed Under: Automobile Electronics Tagged With: Adding, Automobile, Ignition, Multi, PWM, spark

Multi-spark CDI Circuit

Last Updated on May 16, 2026 by Swagatam 108 Comments

multispark cdi circuit

In this post I have explained an enhanced multi-spark CDI circuit which is universally suited for all types of automobiles. The unit can be built at home and installed in a particular vehicle for achieving greater speed to fuel efficiency. The Circuit Concept The following diagram illustrates an enhanced version of a multi-spark CDI circuit. […]

Filed Under: Automobile Electronics Tagged With: CDI, Multi, spark

Making a Multi-function Water Level Controller Circuit

Last Updated on June 12, 2019 by Swagatam 53 Comments

waterlevelcontrollertimercircuit

The following multi-function water level controller circuit post is based on the suggestions expressed by Mr. Usman. I have explained more about the requested modifications and the circuit details. The Circuit Suggestion: The concept of this circuit looks good. May I suggest a couple of other desirable features? 1) To protect the motor from potential overheating (or […]

Filed Under: Water Controller Tagged With: Controller, function, Level, Making, Multi, Water

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