I'll be using this project to keep track of stuff for my attempt to upgrade my lawn sprinklers from the on-off, mechanical rotary zone valve to a fully controllable electronic system via an old arduino mega that I had laying around.
Phase 2 will be adding another zone to the system that can be used to spray water on my roof for direct-evaporative cooling on hot days. My air-conditioner can't keep up on the hottest of days, and I also have a very large temperature differential between my first and second floors. After I have completed some other insulation upgrades to my house construction to address some of the heat issues, I'll be adding a sprinkler system that will douse the roof with water on the hottest of days in order to provide some evaporative cooling.
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