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Old 09-17-2006, 12:20 PM
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electronic ignition system project

Greeting..
hi...i'm seebeiq

i'm a student from malaysia..this year is my last year b4 i'm graduate..so,as usual i've been given a final project to be done...the title is "electronic ignition system for automobiles"...

what i need to do is to built a basic electronic ignition system circuit,how its operate,about timing...and mostly need to know well about my project...

so,i really hope that someone here can help me.

thnx
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Old 09-17-2006, 02:11 PM
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Doc here,

Tell us What you know about Electronic Ignition now, and What type of Ignition do you want to use as your example..Standard Pre smog GM would be a good start I think.

We'll try to help with what we can.

Doc
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Old 09-19-2006, 12:38 AM
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what i've know about e.i.system

The first improvement of electronic ignition was to replace the mechanical points with a "solid state" semiconductor switch called a transistor.This is called a "fast switching transistor" to be exact. The advantage of an ignition transistor is that it can conduct up to near 400-500 volts (more power than needed), is extremely accurate fast (in nanoseconds vs. milliseconds), and can last a long time in the heat / vibration of an engine. The trick of course if how to trigger the transistor switch.

The common types of sensor systems that have evolved are: magnetic, "Hall" effect, optical, and (for trivia purposes only) "ECKO". Basically this project has four main elements include transducers (sensor), transistor,signal converter,coil,spark plug and motor (fan).
This project will replace the mechanical to automatic switching system

i need to choose a good sensor and to built a cheapest circuit i can..

Below is the Basic Electronic Ignition Transistors and Pickups Sensors:



can u help me create a circuit for this?
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Old 09-19-2006, 01:16 AM
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Doc here,

I am a bit confused here...

The diagram you have below IS the circuit for a Magnetic Pickup Electronic controlled module Ignition system ... Et & AL...as installed in a Vehicle..

You background on the subject is good as well..

Are you asking WHAT it takes to build the module?? Or what parts it would require to simulate the module for a display project?

If so it's pretty basic..

Let me know what it is EXACTLY you want to build, simulate or display..Cuz what you show there is what lives under the hood now...if you open one and look. (assuming no computer support for the module) .

OK, re~read your post..If I understand correctly, you want to replace a points type ignition to a Electronic control module system, and what is required to do that? Do I have that right?

Doc
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Last edited by docvette; 09-19-2006 at 01:19 AM. Reason: added
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Old 09-20-2006, 02:06 AM
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Actually i want to built and simulate a hardware project as like the diagram above...(if the diagram is correct)

yes,i want to replace a points type ignition to a Electronic control module system, and i need to know what is required to do that?..and the most important is the circuit diagram b'coz i need to buy an instrument first..

okay,here is the basic circuit i've built as an example:



give ur comment pls
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Old 09-20-2006, 02:15 AM
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sorry,wrong pic i've submitted.

here is the basic circuit i've built as an example:

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Old 09-20-2006, 03:40 AM
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Doc here,

Got your PM, and sent the answer back there..

Doc
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