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i didnt approched humidity yet..but all i need is some kind of humidity transmitter..for analog input. same about the lights..a lumens sensor for feedback..and some kind of analog control of the ballasts. but all this means more money..im just playing around for now..

more features: ph and ppm calibration-2 points for ph(ph4 and ph7)..1 point for ppm work with ec and ppm temperature calibration alarms-temperature out of range..ph and ppm out of range lights working hours accumulator recomended ppm for a specific week in the future: energy monitoring alarms...

im newbie in growing..but an oldtime smoker..:) my day job is a control engineer so i decided to mix business with pleasure..:) i used a plc and hmi on a hydro system i built..some main features: -temp control -ph and ppm monitoring -lights,pumps and vent control -mini journal the pics are a...