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Joined 1 year ago
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Cake day: August 15th, 2023

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  • I was wondering about that the other day. Why did Jabber/xmpp not evolve further into the mainstream? For a while there were multiple good-enough clients and running ejabberd was not very difficult. I thought it would become ubiquitous (and in a way it has, just not interoperable), and the clients would evolve to become great. Instead it feels like the whole ecosystem kinda just faded away.

    I remember why we switched away from Jabber (running ejabberd) in our company: the biggest issue was no server-side history, so using multiple clients on multiple devices was basically impossible, just like MUCs without history to browse and search were useless for our use cases. Has that gotten better over the last 10 years?

    We switched to self-hosted Rocketchat, so which sucks in many, many ways but feature-wise it offers everything we were missing from xmpp.






  • I am in central Europe and I have both the AirGradient One and the AirQ Basic. The AirQ is much more capable, with more sensors (especially a dedicated VOCs sensor), and has a better design, and the Home Assistant integration works really well locally. It is quite expensive though.

    The AirGradient One took a long time to ship (almost three months, but that was expected and communicated clearly by the AirGradient folks) but it definitely is available for shipping to Europe, so probably also the UK. It has fewer sensors but you can (and I did) flash it and customise it with Esphome. Look for the github repos of user MallocArray. So it also works very well locally, using the esphome integration.

    So it really depends on what you want to measure. If it is just Co2 and pm2.5 then the AirGradient is probably enough and much cheaper. With the AirQ you pay a lot more but you get many more sensors.