Ryan Malloy da066cfb3b Document RS-485 vs RS-422 signaling, connector pinouts, and MAX490 failsafe
Add comprehensive section covering half-duplex RS-485 vs full-duplex
RS-422 differences, dual-mode Trav'ler pinout (T/R + RXD pairs),
G2 wire color mapping, adapter chain table, and DIYables MAX490
module notes including bus tri-state failsafe concern with
workaround options.
2026-02-11 10:31:11 -07:00
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Winegard satellite dish control for amateur radio sky tracking
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