this post was submitted on 20 Apr 2024
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How to make bathroom switches smart? They currently have 4 manual switches. (lemmy.nz)
submitted 6 months ago by sylverstream@lemmy.nz to c/newzealand@lemmy.nz
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In our two bathrooms we have a switch panel with 4 switches: one for a light, 2 for heat lamps, and 1 for a fan extractor. As we tend to forget the fan extractor I want to make this smart. Something like this

It has to work well with Home Assistant. WiFi is fine, Zigbee would probably be better. Should not have a cloud dependency, I can't sell this stuff to my SO saying that she can't turn on the lights if the internet is down. I've flashed Tuya based switches and RF emitters with ESPHome using LibreTiny.

As it's obviously 220v I'd like to avoid Aliexpress stuff. Probably also needs a good IP rating as it's in the bathroom.

Any tips?

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[–] Alfiegerner@lemm.ee 4 points 6 months ago (1 children)

I use a Shelley 1 for my bathroom fans. Shelley's all over my house for lights, something like 30 of them, very reliable.

All tied into homeassistant for automations. I use a humidity sensor to turn bathroom fan on and off.

[–] sylverstream@lemmy.nz 2 points 6 months ago* (last edited 6 months ago) (2 children)

Shelley 1

So, there's no way to manually turn it on? In my case, I'd add the Shelly inside the well, wired to the Fan, and will always have the Fan switch on?

[–] Alfiegerner@lemm.ee 2 points 6 months ago

Yep switch this still works. Can be switched on by switch, automation, or push on phone.

[–] Alfiegerner@lemm.ee 2 points 6 months ago

Should say you if you just want a simple timer you can (e.g. turn off street 30 mins) you can do with newer Shelley versions with built in scripting if you don't want to go for full automation system like home assistant.

[–] thevoyagekayaking@lemmy.nz 2 points 6 months ago

I've considered going the other way with our bathroom, and just having one switch for everything, as we almost always use the fan and lights all at once. Have you considered just having two switches, one for heat lamps and one for fan and light?

A smart switch just sounds like something to go wrong to me.

[–] Auzy@beehaw.org 1 points 6 months ago

Use a shelly device, preferably Shelly plus or a gen3

They're designed for retrofit and have a huge amount of support

[–] RecallMadness@lemmy.nz 1 points 6 months ago* (last edited 6 months ago)

Mercator have the ikku range of zigbee switches.

I can’t say they’re great as they’re capacitive, and the no-neutral ones I’ve got give up pretty quickly.

But they do up to 6(?) gang. … if you can find them (you probably need to get them from Aus)

Honestly AS/NZ standards are shiiit. If only for having smart things that probably won’t burn your house down, and if they do it’s (less) your fault.