From 8bc3c508720e7577d2d42a649dd67d0268f7fc1b Mon Sep 17 00:00:00 2001 From: janik Date: Fri, 17 Jul 2026 13:01:28 +0700 Subject: [PATCH] README: measured-vs-computed validation paragraph Real boards vs. a UT3513+ micro-ohm meter, agreement within +/-20%, attributed to test-setup imperfections and manufacturing tolerances. Co-Authored-By: Claude Fable 5 --- README.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/README.md b/README.md index cdfcc69..7e6fc10 100644 --- a/README.md +++ b/README.md @@ -232,6 +232,15 @@ SWIG API. Requires KiCad **10.0.1+**. in plane interiors), the tin-gray solder coat of the THT-pad contact P1, and the via field with its pad copper.* +**Measured vs. computed**: we tested the plugin on a few real boards +against a UT3513+ micro-ohm meter; the measured resistances were within +±20 % of the computed values. We attribute the deviation to +imperfections of the testing setup (probe placement and probe contact +resistance vs. the ideal modeled contacts) and to manufacturing +inaccuracies — actual copper and plating thicknesses routinely deviate +from nominal. Relative comparisons between layout variants are +accordingly more trustworthy than absolute numbers. + ## Offline / development Every run writes `geometry_dump.json`; re-solve without KiCad: