this post was submitted on 02 Apr 2026
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What's the best way to detect when I'm taking a shower? (lemmy.world)
submitted 2 days ago* (last edited 2 days ago) by batshit@lemmy.world to c/homeassistant@lemmy.world
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I would like to turn on mood lighting automatically when I'm taking a shower, what's the best way to detect that?

  • I've considered humidity sensors, but that will take a while to kick in and not immediately when the shower starts.
  • I've also considered a water leak sensor but those are not meant to be trigger every day for a long time like 10-15 minutes. That would kill the battery, right?
  • Smart valves can kind of work, but it feels like overkill because I don't care about the valve functionality.

I would prefer the solution to be battery powered (don't want to be messing with too many cables around a shower), but I can't seem to find one.

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[–] MrQuallzin@pie.eyeofthestorm.place 1 points 2 days ago

I'd settle for the small lag with a humidity sensor. If you're the type to run the shower for a minute before getting in, it should kick in in that time.

Could do a presence sensor or motion sensor pointed at the shower. Haven't played with either, and you'd have to figure out water resistance.