Take a look at this work I did last year with my generac generator Monitor your Generac generator with Home Assistant If you look at the genmon page referenced, you should be able to use this approach along with or instead of the wifi thing.
Take a look at this work I did last year with my generac generator Monitor your Generac generator with Home Assistant If you look at the genmon page referenced, you should be able to use this approach along with or instead of the wifi thing.