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After 16 years, Ecobee is shutting down support for the original smart thermostat
(www.theverge.com)
this post was submitted on 02 May 2024
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That's why one uses an industry standard that is brand-independent,operates offline by design and does not require a central component besides a power supply.
Sounds like utopia?
This standard has been available since 1990 in its archaic form, since 2002 in its current form. It is downwards compatible and over 400 companies worldwide are part of the standard. HomeAssistant, ioBroker, openHAB,etc. all support it directly and there are multiple crossover gateways with other standards like DMX, ModBus, Dali,etc. exist. And no, it's components are not more expensive once you look at the TCO.
For fucks sake, people, use KNX.
(PS: There are even a few open-source/DIY components available)
2002 is pretty archaic in technological terms.
So is windows and Linux if you just look at the year they were introduced.
Just because something is backwards compatible doesn't mean it does not get updates/improved.
And tbh, a light switch does not need that much improvement technology wise.
Fair enough. I didn't read it as being currently maintained in your original post.
The thing is: The standard itself is rather well designed and didn't need too much updates (they just extended the possible packet contents in terms of possible parameters - which technically isn't that necessary as you can fall back to ASCI).
The last major updates were more towards extending functions (KNX over RF), connecting locations via IP tunnel, and securing the packets themselves (which is not really necessary for single household installations but VERY much for multi tennant installations).
The major strength of KNX is the bus packet system itself - as the packets are standardized there are only a few attack avenues. An attacker could flood the bus with packets, try to update with fraudulent code (if none did put a password on it) or try to put fraudulent content in a module that accepts ASCI packets. The problem is the access - the attacker would need physical access or the IP gateway (if existing)would need to be unsecured towards the internet... In the end it is a fairly resilient piece of software.