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Home Assistant is open source home automation that puts local control and privacy first.
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Air quality sensors? (lemmy.world)

submitted 2 months ago by early_riser@lemmy.world to c/homeassistant@lemmy.world

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I had a set of Davis Instruments air quality sensors that I kluged to work with HA. The one I use outdoors is no longer working, so I'm looking for a replacement. Can you recommend any particulate sensors that work directly with HA?

For the DI sensors, they have a local API that I wrote a custom script for that would get the various particulate readings and calculate the AQI. I'm not really in the mood to jump through all those hoops at the moment, so if there's one that runs off zigbee or z-wave?

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[–] Blip6338@lemmy.ca 16 points 2 months ago (2 children)

I have a Airgradient One (indoor) and a Airgradient Open air (outdoor) and love them. They are Esp boards with esphome configs available. They use readily available component that makes sensors easy to replace when they wear out or loose accuracy over time.

The whole project is open and you can buy the DIY kit and build it yourself or buy a prebuilt one.

https://www.airgradient.com/

[–] unitedwithme@lemmy.today 3 points 2 months ago* (last edited 2 months ago)

Seriously*?! Thank you. This sounds odd but I've been looking for something to work where I work. I know nothing, except all the big name vendors are thousands of dollars for "industrial grade" cheap looking sensors. It's been a harsh several meetings with these vendors trying to sell me $4-6k for little shit.

Edit: anyone have ideas for room pressure differential? Like a magnahelic , but digital of sorts?

[–] ryphez@lemmy.world 1 points 2 months ago

I got these too! I did the DIY kit and it was super easy!