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  1. justsmokedope

    3d Printed undercurrent Hydroponics system (UC RDWC)

    Decided to attempt a 3d Printed undercurrent Hydroponics system (UC RDWC) , as they are very good systems but just cost a stupid amount of money. It seems that things like the large tank connectors realy drive to cost up. i also seem to have collected a lot of filament that i can...
  2. justsmokedope

    Wheelie bin / barrel-ponics hydroponics

    Wheelie bin / barrel-ponics hydroponics looked up the concept the other day just get a barrel fill with water, mix up your nuits in it . The plant your plant of choice in the top in net pots and never water or feed again for the whole seasion. i used masterblend 4-18 -38 with...
  3. justsmokedope

    is there something up with chilled led ??

    just looked on chilledgrowlights and the have only a few things for sale on their site have thay hit the wall or something ??
  4. justsmokedope

    how are 260W QB V2 RSPEC LED KITs .. 260w ??

    How are 260W QB V2 RSPEC LED KITs .. 260w ?? when the HLG-240H-C1050A driver is only 249.9 W max output can someone explain this or am i missing something ? should it not be 240w ?
  5. justsmokedope

    arrow are doing fee raspberry pi 3 with orders

    Just thought id post that Arrow are doing a promo of free raspberry pi 3 with orders over $50 they sell cobs leds basically every thing for builds so thought id let every one know ...
  6. justsmokedope

    ez store 18 gal buckets were can you get them in the uk

    Does any one know were you can get ez store 18 gal buckets like used in the current culture under current rdwc systems in the uk or something pretty much identical , i can buy from the usa but is really expensive the ship etc to the uk . all the buckets i find that are big and high...
  7. justsmokedope

    any one running 2700k with 6500k

    hi is any one running 2700k with 6500k if so whats the correct ratio 50/50 or 40/60 or ??
  8. justsmokedope

    any info on the Evolve EV700 available

    hi im trying to do a bit of a tare down on the new Evolve EV700 there's very little info on their web site about them . the leds look like lm301b 2700k and 6500k not sure on the cri and poss osram oslon ssl 660nm reds ive taken an educated guess on the leds but i think i'm somewhere near the...
  9. justsmokedope

    what is the best way to identify mixed up leds

    im trying to identify some cree leds different red ones , is this possible using a led battery tester or even a multi meter i need to find the 660nm ones from a bunch of mixed up ones some are 625nm and some are far reds all cree though . or is there any identifying marks on them to look for ...
  10. justsmokedope

    osram oslon sll or lumileds luxion which is better?

    which is better osram oslon sll or lumileds luxion c & sun plus . i have noticed that osram oslon sll leds seem to be lots cheaper now . looking at the data sheet they seem to have slightly different ways to measure there data ie mw / lm / ppf which is making it difficult to make a direct...
  11. justsmokedope

    Any one using ERP led drivers

    any one using or planning to use erp led drivers from http://www.erp-power.com/ these things look really interesting they have bluetooth controls and you can adjust the ma so you can use this for 1700ma or 1400ma or less all using a app i believe ive been looking at the CDB260W-1700-210-W
  12. justsmokedope

    pcb design

    just thought i would add this , i have been playing around with led pcb design i struggled using eagle and other design software .but then i found a online based FREE pcb software called upverter.com i highly recommend it . there is a massive part data base and you get 3 free parts credits...
  13. justsmokedope

    vero 29 69.4v gen 7 c what driver

    hi ive got 8x vero 29 69.4v gen 7 c how best is it to run all 8 or groups poss 6 and 2 . i have a hlg 320h 36a driver but i don't think it will deliver enough voltage
  14. justsmokedope

    Infrared Photography for plant health

    i have found this cheap ir camera that can be used to measure plant health . i had the idea of trying to use this data to automaticly adjust led lighting blues uva and reds and to also adjust feeding etc this does seem to be quite complicated how ever but im shore its possible was in idea i...
  15. justsmokedope

    made my own cheap uniseals

    i just made my own uniseals by casting two originals in silcone rubber , then using a marrine rubber to make the seals with polyurethane composite el110h/bk or el230r/bk . i did this as uniseals are so expensive these come in at about £3 each
  16. justsmokedope

    led pcb build 624 + lm561c leds

    I've been thinking about haveing made some pcbs with over twice the leds (624) on around the same footprint as a quantum board I'm thinking of adding the option of perhapes some reds to the board also . Or the ability to add a cob like a bridglux 1750k I'm thinking this as i can have these...
  17. justsmokedope

    510w cree cxb3590 x6 with meanwell drivers what you think ?

    Im looking into buying some of these light s perhapes to sell etc how much would you be prepared to spend for a pre made light with 510w cree cxb3590 x6 with meanwell drivers . I think this has potential !!! CXB3590-600W PPF: 1100~1275PPFD (3' X 3'): 1316~1525Umol/m2/sPPFD (4' X 4')...
  18. justsmokedope

    Free sinkpads 1950 etc

    Just letting you guys know sinkpad are giving 3 x sinkpad samples each free like the ones Cree used in their demo the 1950 that can get 12 LEDs on each http://www.sinkpad.com/Aug2b6stra/index.php Chears ;)
  19. justsmokedope

    Custom led light diy

    Basicly ive come up with a rough design based upon a DS XML 650 but added a few extras and different leds 3W ULTRAVIOLET UV LED (380-390NM EPILED) x16 FAR RED / IR LED (740-745NM EPILED) - 800MA x16 3W ROYAL BLUE LED (440NM EPILED) x32 3W BRIGHT BLUE LED (EPILED 460NM) x16 3W FULL SPECTRUM...
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