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Thread: Mk2 grow box

  1. #41

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    Subbed 😊

    Very cool project!

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  3. #42

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    And here I thought I was handy. This is awsome! You have some serious patience and skills.

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  5. #43

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    Looking awesome, dont get online much as life is hectic still have abox of parts inspired by your last grow. Look forward to seeing this outcome.



    Home built rdwc, root farms 2 part feed!
    https://r.tapatalk.com/shareLink?sha...p%3Ft%3D171166

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  7. #44

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    Been away with work and havent been able to do as much as I want

    Got some more ducting printed, the big case holding all the electronics takes 28 hours to print!

    The led driver case now holds power supplies for 5 channels of lights and is all dimmable! It takes 24volts in from another powersupply, which I fried doing something silly, so I'll have to wait for a replacement.

    The nute tank lid has been printed along with an insert that has holes to accept all the sensors:
    EC
    pH
    Temperature
    Tank level
    Also the 15mm return/fill pipe.

    The root chamber lid is printed and screws through the floor of the main grow space.

    I was hoping to have the root chamber drain with gravity, but everything is tight on space and the heights wont lst that happen, so I have another pump on order. Once that's here the liquids part of the system is 60% done - enough at least that I can get start writing some control software.. (Still need to find space for the RO filters!)

    Need to finish the recirculating duct path, theres an important part I havent got around to designing yet, which will be an absolute bitch, i can already feel it.... it will take the duct from the back, and curve 180 degrees to the bottom of the radiator.

    Some parts of the duct feel like overkill, but I intend this to be as sealed as possible, effectively making it near air tight, doing this means most of it is being glued together to make sure!

    I made my own EC probe, having found examples online for £30-£120!!! Hint, it's just a plastic tube with two (fairly) nonreactive metal probes with a 1k resistor inline. I used nickle plated screws, may have to swap them in the future, we'll see.

    I got the software to read the EC, pretty accurately too, I was surprised how consistent it was.

    I cant wait to have the water and recirculation path for the air duct done, alot of the software could be written at that point.

    Hope everyone is good! I havent had time to browse much recently

    Sent from my SM-G960F using Tapatalk

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  9. #45

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    Finished most of the plumbing now at least to the point I can start doing some tests and hooking things up

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  11. #46

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    dude this is mindblowing

    thanks for taking the time to write this up
    gonna be an intresting grow once youve bungged a few beans in
    the grass is always greener on the otherside

    lips auto northern lights first grow diary
    http://www.thctalk.com/cannabis-foru...eeded-24th-oct

    Lips back 2nd grow automatics
    http://www.thctalk.com/cannabis-foru...-back-2nd-grow

    lippys auto superskunks 3rd grow
    http://www.thctalk.com/cannabis-foru...unk-automatics

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  13. #47

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    I've not been playing with this for a while and got the bug again.

    Finished the lighting rig now and can now control the channels and mix various frequencies.

    It works surprisingly well but a couple of little glitches to work out...

    First is a 1200w boost converter taking the 12v supply up to 24v to send up to the 5 channel controller, which houses the individual led drivers. From that is a chunky 7 core cable to the led board.

    This is basicly a 5mm sheet of Alu, with a bit of bracing to fit hooks too...

    At full pelt it gets pretty warm, haven't yet done a full 24hr soak of it, but I may have to fit some extra heat sinking to the back, won't need much though I think....

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  15. #48

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    Love the work man. How you controlling the dimming ? PWM ?




    Current diary
    http://www.thctalk.com/cannabis-foru...le-Sun-Led-Kit

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  17. #49

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    Quote Originally Posted by gardro View Post
    Love the work man. How you controlling the dimming ? PWM ?




    Current diary
    http://www.thctalk.com/cannabis-foru...le-Sun-Led-Kit
    Yeh bro, one pwm for each supply, ebay specials, 4 quid each

    Thanks for checking it out!

    Trying to hold back the urge to stick a seed in already hah

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  19. #50

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    Also got the air system 33% done, it works as a recirculation system now. The four fans in the top section are pwm controlled also. They converge and are ducted down and back in to the bottom vent- this floor vent is also the radiator which can have the chilled nutes passed through it and can then provide some air conditioning....

    This could also dehumidify, so there is a drain fitted to the lower part of the duct to drain to waste...

    Sent from my SM-G960F using Tapatalk

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  21. #51

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    This is absolutely awesome fair play mate. I wish I had your knowledge. Admirable!!


    Sent from my iPhone using Tapatalk

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  23. #52

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    Quote Originally Posted by Ashw021 View Post
    This is absolutely awesome fair play mate. I wish I had your knowledge. Admirable!!


    Sent from my iPhone using Tapatalk
    Thank you very much

    Sent from my SM-G960F using Tapatalk

  24. #53

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    Dude your a fucking genius! Impressive work

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  26. #54

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    Thanks guys, just hope that something workable comes of this and we can all benefit!

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