this post was submitted on 20 Jun 2023
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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Looking for temp/humidity sensors that can be wall-powered (feddit.de)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/homeassistant
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After running HA for 2 years and tinkering with the stuff I already had, it was time to extend the little machine via Zigbee. I got an Aqara Temp/Humidity/Pressure sensor, which in itself works fine. It just chewed through 30% of battery in 4 days. Now that might be an issue with placement and signal strength (basement through 2 floors), but it doesn't bode well unless it "levels out" at some point.

Which brings me to my actual question: does anyone know any such sensors that are wall-powered in any way? Something that can be plugged in and "forgotten" about?

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[–] [email protected] 1 points 1 year ago (1 children)

I know this is an old question, but the Shelly H&T has a USB power cap that you can buy separately. Then use any micro USB cable and power supply. It's Wi-Fi and not zigbee, and it is definitely a tad more expensive per unit. However, no need to worry about batteries. Shelly does run sales occasionally too.

[–] [email protected] 1 points 1 year ago (1 children)

That was the first one I tried. Sounded fantastic in theory, didn't work out for shit. For some reason the sensor dropped out constantly. The USB PSU bottom was nice though, no batteries to change.

[–] [email protected] 1 points 1 year ago

I do find that they go to sleep fairly often. I changed the temp update setting to the smallest value and it updates fairly regularly. If the temp doesn't change much I don't think you get an update.