Well I want to thank you for most of the inputs. I had suspicions that there would be a computer involved. I found a video showing how to tap into the CAN bus. I've played around with arduinos and might have access to the service manual so I won't give up just yet. I'm as awnry as any Yank...
This is my first post. I live in New Zealand in a area with poor quality grid supply and frequent prolonged outages. I have slowly added PV solar systems as stand alone support for things like water pumps and other farm needs that are now independent of the power company.
But our home is...