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    Graham Sutherland / Polynomial (gsuberland@chaos.social)'s status on Monday, 03-Aug-2026 17:37:09 JSTGraham Sutherland / PolynomialGraham Sutherland / Polynomial
    in reply to

    one thing I will almost certainly do on the real circuit is put a common mode filter on the RS422 lines, probably on each bar. it's a roughly 2x2m installation with a bunch of loops so it's basically a funky antenna.

    the installation location is typically on or nearby a bunch of metal shipping containers so that offers some natural shielding against induced currents, but EMF Camp also has Tesla coils around Nullsector so, y'know, pays to be careful.

    (and TVS diodes are a given anyway)

    In conversationabout a month ago from chaos.socialpermalink
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