After much tinkering, attempting to accurately infer the a/c state by just the climate sensors I am ready to admit defeat. I had accuracy to >95% – but as I discovered, that was only for… 

This is a follow-up to the initial post on attempting to automate control of a manual air conditioner, using only climate sensors, a switchbot button, and node-red. First, some caveats: the node-red VM has access…