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Roger-
Dissimilar metal corrosion requires an electrolyte to occur. If the dissimilar metals in question are kept completely dry, it will never be a problem. Might be a good reason for a good enclosure. I am trying my first attachment here, it is a chart that helps determine whether or not 2 metals qualify as dissimilar. You draw a line between them on the scale and if they cross in the acceptable range it is ok to use them. Thought you might be interested.
I agree about the version control, but right now it is essentially Paul's baby and so the brunt of that endeavor would likely fall on his shoulders. I would be willing to model components if you wanted 3D models for things. I use UniGraphics at work. Right now we do little with schematics in UG so I don't really know how to use the harness software, let alone circuit board design side.
Graham
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