Today, I learned "never trust the auto router"
@Chris_Gammell @obra yeah but nobody should have to learn that after getting boards back :(
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@starsandrobots@Chris_Gammell@obra it is unlikely that mistake will be repeated, though. i just hope it wasn't a very large board. -
@johngineer@Chris_Gammell does this sounds like justification that excuses incomplete tools? We're used to it, it's entrenched knowledge .. -
@johngineer@Chris_Gammell .. but that's no reason that someone should go through a -logically sound- board run to find incorrect traces .. -
@johngineer@Chris_Gammell .. because of poorly set expectations by professional EDA software -
@starsandrobots@johngineer that's actually a good question, "Why DON'T autorouters perform flawlessly?" -
@Chris_Gammell@johngineer "NP Hard" :( http://en.wikipedia.org/wiki/Routing_(electronic_design_automation) … just need strong AI.. - 1 more reply
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@starsandrobots@obra oh no! I didn't realize that was how the learning took place, figured it was just a mangled layout on screen. -
@chris_gammell@starsandrobots Nah, but it's nothing a dremel, x-acto knife and a few patch wires won't fix. -
@obra in the old days we'd plot boards on paper at 2x or more and pour over the netlist with a highlighter in hand, looking for route errors -
@t_metro at the time I sent these boards out, my understanding of what was going on wouldn't have flagged this as an error :/
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