this post was submitted on 04 Dec 2023
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I'm using a variety of PIR motion sensors and mmWave presence sensors; most work fairly well, with a few exceptions. At this point, I have all the lights in my house automated, but with one exception: the master bedroom. I'd like to automate my bedroom lights so that they turn on when someone enters the bedroom unless someone else is already in bed sleeping. So far, none of the sensors I've used are precise or reliable enough to do this. I've thought about using the status of our phones (charging/not charging), but my girlfriend doesn't always plug in her phone when she's asleep. Scheduling won't work, since we both sleep at random times when we're off work, sometimes during the day. Maybe a pressure sensor under the mattress?

Aquara makes a device that's advertised as being able to detect multiple people as well as sleeping people. This would be perfect if it worked, but Aquara devices seem to be the ones that always cause me the most problems.

Any suggestions?

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[–] JustEnoughDucks@feddit.nl 2 points 2 years ago

Hahaha likely not. The higher up weight you go, the less accurate it is. A load cell that can handle 200KG would likely not be "per kilo" accurate