I’m building my own Arduino automation system. Going to track the room temps/ humidity(current, high, low, average) as well as the Nute red res(hydroponic) temps, PH and ppm. I’m a master electrician so I’m making it all so someone could just mount the box and plug in there fans, Nute pumps, lights. I’m also looking into Automatic PH control. I also am tracking all the data writing it to an SD card to make a spreadsheet to monitor the system over time. Hopefully going to sell some of then to friends as it’s legal in Canada. Can make them cheap as hell with Arduino