GPIO 2 Inverter

I figured out a way to turn our inverter on and off with a Pi so I can leave it off when Winter forces us to be frugal. It takes a little more than an amp hour just sitting there doing nothing, so I do like to turn it off. This capability will serve to automate the fridge in the future, before I do that though, I need to figure out a way to bring cold air from the outside into it. The idea is to have a logic which looks at outside temperature, solar status, and fridge temperature to decide if we just turn it on or if we can simply (and for less electricity) fan in cold air from the outside.

Running a fridge on the coldest months, when solar power is scarce, is doubly absurd.

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