The circuit presented here is for a DC-CDI which are used in motorcycles. A DC-CDI is the one in which the high voltage (200-400VDC) is converted from 12V supply voltage. […]
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CDI Tester Circuit for Automobiles
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 […]
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 […]
Multi-spark CDI Circuit
The post explains 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 […]
Electronic 12V DC Capacitive Discharge Ignition (CDI) Circuits
The following post describes 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. […]
Simple Capacitive Discharge Ignition (CDI) Circuit
In this post we discuss the circuit for a simple, universal capacitive discharge ignition circuit or a CDI circuit using a standard ignition coil and a solid state SCR based […]