Megasquirt 3 - V3.0 board schematics

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These copyrighted schematics are provided to assist with assembly, modification and fault finding on a Megasquirt install.

V3 mainboard : CPU - Input - Tach input - Injector drive - Other outputs - Power - LEDs - DB37/DB9
MS3 CPU card : MS3 headers
MS3X expansion card : MS3X connectors - MS3X I/O - MS3X PWM outputs - MS3X inj/spk outputs

Megasquirt-3 card
There are no plans to publish the schematics for the MS3 card.
MS3 card headers and jumpers

MS3X card

If you have a question, comment, or suggestion for this FAQ please post it on the forum.

No part of this manual may be reproduced or changed without written permission from James Murray and Ken Culver.