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Here is my attempt at documenting a 2 part nutrient + pH control dosing unit that I've built.
This is part 1, wiring the controllers and pumps.
Parts 2 and 3 are forthcoming.
Please keep the 'too expensive', 'overkill', 'pointless', 'dumb', etc. comments to yourselves. My fragile ego cannot handle that sort of criticism coming from anonymous strangers on the internet... :)
I am not an electrician, so if you see something that will kill someone (or me), please comment on it and I will revise.
I am not a perfectionist, so I 'eyeball' a lot of things, some of this may seem like a kludge and a hack, I will proudly wear that label. :evilgrin0040:
I threw this together the other night in about 6 hours, but that included taking hundreds of pictures and several pages of notes. It can be done in ~3-4 hours as long as you have your parts/tools on hand.
If you have questions, post them up, I'll try to answer them.
If you build custom unit, post up pix with your additions and enhancements.
I will probably build another one with some additional changes in the future.
EDIT: Split the pdf into 3 parts and have attached them here.
View attachment DIY_Nutrient_Doser_PT1A_v1.1.pdf
View attachment DIY_Nutrient_Doser_PT1B_v1.1.pdf
View attachment DIY_Nutrient_Doser_PT1C_v1.1.pdf
http://www.easy-share.com/1914377169/DIY_Nutrient_Doser_PT1_v1.1.pdf
This is part 1, wiring the controllers and pumps.
Parts 2 and 3 are forthcoming.
Please keep the 'too expensive', 'overkill', 'pointless', 'dumb', etc. comments to yourselves. My fragile ego cannot handle that sort of criticism coming from anonymous strangers on the internet... :)
I am not an electrician, so if you see something that will kill someone (or me), please comment on it and I will revise.
I am not a perfectionist, so I 'eyeball' a lot of things, some of this may seem like a kludge and a hack, I will proudly wear that label. :evilgrin0040:
I threw this together the other night in about 6 hours, but that included taking hundreds of pictures and several pages of notes. It can be done in ~3-4 hours as long as you have your parts/tools on hand.
If you have questions, post them up, I'll try to answer them.
If you build custom unit, post up pix with your additions and enhancements.
I will probably build another one with some additional changes in the future.
EDIT: Split the pdf into 3 parts and have attached them here.
View attachment DIY_Nutrient_Doser_PT1A_v1.1.pdf
View attachment DIY_Nutrient_Doser_PT1B_v1.1.pdf
View attachment DIY_Nutrient_Doser_PT1C_v1.1.pdf
http://www.easy-share.com/1914377169/DIY_Nutrient_Doser_PT1_v1.1.pdf