The circuit presented here is a tester circuit for testing CDIs for motorcycles and three-wheelers. Designed and Written By: Abu-Hafss Basically there are 2 types of CDIs: Technical Specifications […]
Motorcycle Regulator, Rectifier Tester Circuit
The motorcycle regulator, rectifier tester circuit presented here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. These reg./rectifiers (RR-units) are usually […]
5 Simple Siren Circuits you can Build at Home
In this post we learn about a 5 simple siren circuits, using Arduino and also with ordinary components such as transistors and capacitors yet is able to produce an alarm […]
Adding a PWM Multi-spark to Automobile Ignition Circuit
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 […]
Adjustable CDI Spark Advance/Retard Circuit
In this post we’ll learn about a simple circuit which allows a manual adjust feature for the spark timing of a motorcycle’s CDI either to achieve an advance ignition, retarded […]
How to Make HHO Fuel Cell Circuit in Automobiles for better Fuel Efficiency
In this post we’ll try to investigate the making of HHO gas in automobiles for enhancing their mileage by approximately 50% or more, that means a reduction of petrol or […]





