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Autor
Hello,
I have pretty similar setup with this:
https://savjee.be/2020/06/make-g…home-assistant/
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savjee.be
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Only difference is that I'm using 12 VDC and the input sensor is normally open information from the lock.
So I want to have lock state (open/locked) to Shelly, but I don't want to send any current to lock. Do I need like a optocoupler between lock and SW / L(-)?
Thank You!