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[Solved] How to detect the position of a dumb wall switch?
(sh.itjust.works)
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A lot of relay boxes will both detect the switch position and toggle the power, so you should be able to get rid of all smart plugs that you were planning to use for this light.
The relay should have these connections:
Ah, so it would disconnect the physical switch from the circuit except as an IRL input for the HA relay entity ! That does sound perfect.