Yeah, I have not gotten around to it but you can replace the graphing with grafana and influxdb. Otherwise, HA for (some) things is very plug and play.
Home Assistant has some issues with certain cards being too rigidly defined, and relying a lot on the community at large. There's also the constant flux and change, especially when it comes to "We decided to redefine how X worked, now your entity configurations aren't valid."
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