On 25/08/2017 23:17, William Westfield wrote: > On Aug 24, 2017, at 12:26 PM, Chetan Bhargava wrote= : > >> Evil Mad Science is local to me but *unfortunately* they have *not* heed= ed >> to any PCB design rules for their Arduino clone PCB design (see inline i= mage). > No image came through, but presumably you=92re talking about Diavolino? > http://www.evilmadscientist.com/2010/diavolino/ > > Does the lack of 45-degree angles offend you? IIRC, the board was laid = out with an experimental topological curve-based auto-router. While it loo= ks =93different=94, I=92m pretty sure you=92ll find that it meets the speci= fications of any =93typical=94 design rules you=92d care to apply (other t= han =93use straight lines that meet at angles in multiples of 45 degrees=94= , of course.) > I quite like the routing to be honest, it looks very much like something=20 I would have made by hand routing in my youth (alas, a long time ago).=A0=20 The fact that you don't have long runs of adjacent, parallel traces is=20 often advantageous for crosstalk etc. Mike --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .