> Ok, John shamed me into tweaking the layout.

That wasn't really my goal, but you did ask for comments.

> Here's the latest revs. I did address the lines crossing the hole keepouts, 
> as well as rationalizing out a whole bunch of vias. My criteria for a clean 
> design includes as few as possible jogs in the traces, minimal number of vias 
> within reason, and an adherence to x on one layer and y on the other.... 
> until the routing is done, then around the margins, it becomes OK to violate 
> that rule. Symmetrical layouts of repeated circuitry. Also only 45 degree 
> bends, (90 or 45 at vias OK) clean pad entry, (no acid traps), trace widths 
> no narrower than the design justifies... very conservative rules. Makes for 
> high yields and reliable boards. Anyway, now I'm pretty happy with both of 
> these boards, and after some careful design validation, I'll be ready to 
> order boards. So your feedback, please.

I really like this version!  Those are really satisfying layouts!

- John

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