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[Solved] How to detect the position of a dumb wall switch? (sh.itjust.works)

submitted 5 days ago* (last edited 5 days ago) by clay_pidgin@sh.itjust.works to c/homeassistant@lemmy.world

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My nightstand lights are connected to a surge protector plugged into a Zigbee smart plug plugged into a dumb wall outlet controlled by a single dumb wall switch.

I have the smart plug set to default=On, so the wall switch works fine, and I can also turn the lights off from my phone or via an automation. All good so far.

What I WANT is to be able to turn the lights ON without getting out of bed, and irrespective of the position of the switch.

I tried putting a second smart plug in the switch-controlled outlet and making an automation to toggle the surge protector's smart plug when the switch's empty smart plug powers off/on via the wall switch, but it looks like it's not simple to detect a Zigbee device "disappearing". I found some integrations that detect zigbee devices disappearing, but those seemed more for running health checks to detect and repair moved devices than for live detection.

Any suggestions?

Edit:

Looks like a relay behind the switch will be my best bet. Thank you all!

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[–] clay_pidgin@sh.itjust.works 2 points 4 days ago

We don't usually toggle this switch by itself; normally we hit the first three at the same time in either direction. (4th is a ceiling fan)

When I turn the lights on from HA it's to read in bed, so the lights do end up matching the switch position when I'm done. Heck, maybe I'll use a script to turn the lights on for x minutes at a time if the switch is off.