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Comment by Borealid | Hacker News Reader

When I read the HN article title, I knew which domain it'd be from before I saw it.

I have several AirGradient devices and they've been great, no hassle at all with my own software instead of cloud-connected anything. I just wish there were a really good CO monitor that was also no-pain.

Thanks for making a product that sells on its own merits instead of forcing ecosystem lock-in or trying to obscure what the thing is or does.

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Achim from AirGradient here. Thank you for your support. Very appreciated.

We are currently working on bringing a lot more features into our open-source firmware [1], for example mDNS, local API etc. to make it even easier for non-cloud connectivity. We are also working on an offical home assistant integration.

[1] https://github.com/airgradienthq/arduino [2] https://www.airgradient.com/documentation/local-server/

Thank you for everything you've done. I have a few AirGradients, and they are rock solid.

Native Home Assistant integration would be fantastic. I already have mine connected using ESP32, and it works well, but setup is a bit finicky. Would be great to have something easily flashable.

I have a Fibaro CO sensor on my z-wave network which is relatively low-pain and lock-in free. In my opinion CO monitors are a bit different from say CO2 or VOC in that they should really show 0 ppm at all times. If they don't you want them to alert you first and optionally record the data/send it somewhere. That's why I am fine with this device being treated more like a smoke detector than an IoT device.

Same here! Props to Achim from AirGradient, we need more entrepreneurs like them. I built some of their DIY Air Quality Sensors open design boards for myself and was so happy with them that now I build and give them as gifts to people I care about.

I integrate them in HomeAssistant via MQTT, see [1].

More in line with the discussed article, I correct the humidity and temperature by adding/subtracting a fixed deviation that I calculated from observation, but I would like to implement something based on [2].

[1]: https://github.com/nsbk/airgradient_mqtt

[2]: https://www.airgradient.com/blog/slr-temperature-example/

> When I read the HN article title, I knew which domain it'd be from before I saw it.

Well of course - they are they only company in this space that consistently post these articles to HN, and as the article says:

> This is an Ad for our Own Product

Just to clarify. We label the banner BELOW the article with this disclaimer. The article itself is purely written from a science perspective and not at all an advertisement.

Same! I have one and been playing with it for a while but if they added CO reading + alarms, I would buy one device for me and one for each of my family members.

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