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Old 06-26-2011, 03:19 PM   #1
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Default NA MX5 OEM PCM Hardware design benchmark

Just for a reference I want to go over the OEM PCM printed circuit board and sketch out the circuit schematics.

So many of us are tinkering with a replacement for this device. I thought it would be good to review what circuits Denso used, and maybe stimulate a little electronics discussion to compare with the Megasquirt circuits etc...

There might be some design gems in the Denso box worth transferring over.

EG:


There seems to be abit of electronics / megasquirt projects on this forum, thought it might be usefull to put all this info in one place where everyone can find it.

Few questions:

Has someone done this before? I obviously don't want to waste time if this has already been done and clearly documented somewhere else.

Any suggestions on where to keep it?

I would really like to put it somewhere with some change management or a database backend etc... so if updates are made they can be documented, or even a "checked" mark if someone wants to independently verify the circuit.

Anyone keen to help or have some sketches they worked on already? It's a big job that could be very easily split up and worked on independently to get it finished faster.
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Old 06-26-2011, 04:26 PM   #2
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the NB crank and cam input has already been back traced and posted here. otherwise the Megasquirt inputs both VR and Hall works great.

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