Can calibrate for pH & EC sensor variability. Uses a 2 Digit 7 segment display (12 menu items) and a 2 button interface. There is also a manual pump on/off trigger via pushbutton, useful for venting a reservoir. The pump duty cycle period is as low as 15 mins or up to 9.75 hours. It can do a regular 'timed' cycle as well with a max pump runtime of 9.9 mins in 0.1min adjustable increments. Has alerts for reservoir level, battery voltage, 12V pump probs, data link.Įxtremely energy efficient - designed to use all 12V power/pump and consumes <12 Wh per day with a (root moisture) sensor based ebb & flow cycle, including the Pump power! Tested a 150 plant vertical hydro system for 6 months fully solar operated - 5W peak 12V panel. Alternatively use a 12V -15V wall wart to run it.īasically does all but dosing and heating. It can drive a fan for swamp cooling if the nute temps go higher than a setpoint.Īlso it can drive a SSR for artificial 24hr light cycles including the Gas lantern Routine.Ĭan operate off a 12V 7Ah gel cel battery backup system for about 3 days runtime (incl. It runs the main irrigation pump cycle based on sensor data including EC, PH, Temp, Light,Reservoir Level, Pump overload, Root moisture. ![]() I'd make it open source with a DIY type of kit for the hands on among us. ![]() Lastly I'd want to include a PC/USB linkup to allow remote profile setup & selection as well as data logging. The intent is to have a controller that monitors all key parameter AND corrects them on the fly. Super bright LED 'heartbeat' visible 100' night once all parameters are good. 4) Reservoir Level prob.ĮC/pH correction lockouts upon any of the 4 alerts going active. System should store three editable 'profiles' to select for the stage of plant growth and preset matching EC, pH,Temp, fertigation cycle and lighting.įour single super bright LED 'alerts' for 1) Pump prob, 2) pH prob. PH up/down, EC up/down, Reservoir fill valve, Artificial light x 2 (Red/blue), Temp. Sensors: pH, EC, Temp, Reservoir level, 'soil' moisture - for optional moisture based irrigation vs timer based.ĭisplays: pH, Temp, EC, 'soil' moisture, various setpoints/profiles, pump on/off time. ![]() Here is the feature list so far.please suggest anything you might like to see in it!ĭisplay: 1/2" tall 4 digit 7 segment LED. The goal is to make it low cost (<$150) and effective for small (personal) to medium size hydroponics, but full featured. I am starting a project to create a complete hydroponic controller that is suitable for all levels of hydro/aeroponics.
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