this post was submitted on 17 Mar 2025
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Bed Occupancy Sensor? (lemmy.ml)
submitted 4 months ago by Practical_Plan_2560@lemmy.ml to c/homeassistant@lemmy.world
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Anyone try to build a bed occupancy sensor integrated with Home Assistant? I've looked into load sensors but all of them seem to have pretty small weight limits (low enough to where I don't think it would even support the empty bed).

What devices/sensors have you used for this? And what does your setup look like?

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[–] rmuk@feddit.uk 1 points 3 months ago

I'm a bit late to the conversation here, but I bought four of these car seat occupancy sensors - https://www.ebay.co.uk/itm/316523892197 - and installed them between the mattresses, one at butt level and the other at shoulder level on both sides of the bed - and connected them to an ESP32 on ESPHome. Works a treat. They're sensitive enough to momentarily disengage if someone rolls over or shuffles about if you need that, otherwise a generous bounce detection allowance smooths it out.