What's the best way to detect when I'm taking a shower? (lemmy.world)

submitted 1 week ago* (last edited 1 week 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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[-] nhoizey@mamot.fr 3 points 1 week ago

@batshit I use a derivative of a humidity sensor, it works well enough and is really simple to set up.

[-] batshit@lemmy.world 1 points 1 week ago

Would it detect as soon as I start the shower or will it have a minute lag? Like I said, I want the automation to kick in as soon as I start.

[-] nhoizey@mamot.fr 3 points 1 week ago* (last edited 1 week ago)

@batshit I don’t have any automation based on that, just a card in my dashboard, so I didn’t check how long it takes. But it’s not instantaneous, for sure.

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this post was submitted on 02 Apr 2026

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