Add readme note.

Author: tjhowse

README.md

@@ -24,6 +24,9 @@ be a complete solution.
 * [Solariot](https://github.com/meltaxa/solariot)
 * [PVStats](https://github.com/ptarcher/pvstats) ([Fork](https://github.com/tjhowse/pvstats))
 
+There's also a good chance you'll be able to do what you need to do with a [Home Assistant](https://github.com/home-assistant)
+addon that is compatible with your device.
+
 ## Installation
 
 ### Python module