Template entities are great. However if you need to template a value for a specific device, there’s no way to link it to the original device?
I’d like to add link other devices from other integration also. My living room TV has Samsung, Google Cast, Netgear, and DLNA. Four devices. One would be nice.
helpers and such would be nice as well
Also Riemann sum integral and utility meter entities, insofar as they are used to track energy consumption of a single device. I really like how the Powercalc custom component links the power, energy and utility meter sensors that it creates to the relevant device.
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I have several homebuilt particulate sensor monitors. Through some templates I’m able to run the math to convert the raw particulate counts to an AQI which I can compare against official sources and other sensors out there.
But I can’t attach those calculated values to the devices themselves! Instead I’ve got a whole separate set of entities to keep track of.
Easily my number 1 frustration with HA right now is the clutter of different entities floating around that I can’t associate with the actual source. I would so very much love to be able to attach a calculated template entity to an existing device.
Related: Wth can't I add a helper to a existing device?
Just adding so that the comment context is somewhat linked for people originally on this thread.
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