I just got Solar Assistant up and running with my triple AIO site. It was surprisingly easy. I think I am in data heaven. This is everything I had hoped for from the Midnite Pro app. It consolidates all three inverters' instant and historical data while providing real time individual inverter data as well. I'm not sure if I can get the historical data per inverter, but that is available through the Midnite app anyway, and has little usefulness in a multi-inverter environment.
If anyone needs tips on how to get this done, feel free to contact me off list. The short answer is I purchased a preloaded Solar Assistant Pi device directly from Solar Assistant, and three USB to RS-485 dongles from Amazon. I got the Pi device with the DC power supply and connected it directly to my battery bus so it stays on even if the inverters shut down. Jason Szumlanski Florida Solar Design Group
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