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  1. C

    Order fake LM561C's from Alibaba....

    don't post your fake experience in my fake thread....
  2. C

    Quality in Flowering, 3000k or 3500k?

    3650k produces the highest quality
  3. C

    Order fake LM561C's from Alibaba....

    Lolz I cannot believe this fake thread is still going
  4. C

    whats the deal with these cheap qb288 board's

    That is great to see....figured it was more marketing fluff :)
  5. C

    whats the deal with these cheap qb288 board's

    Let me guess...next friday
  6. C

    whats the deal with these cheap qb288 board's

    How much longer till Samsung's logo is on your board? Its been several months.
  7. C

    Order fake LM561C's from Alibaba....

    Based in China, giorgio11185 has been an eBay member since Aug 07, 2002 giorgio11185 (185455) 99.8% positive feedback
  8. C

    4 weeks into flower, how much bud should there be

    Curious to read the results of unrooted cutting going 12/12
  9. C

    New style Samsung LM561C Board

    assuming you don't engineer.... you are correct that a "metal" flat washer and a "metal" lock washer are electrically conductive, all be there are nylon alternates they are not needed. so assuming a "metal" flat washer (with rounded edge, nothing to cut surface) and a "metal" lock washer...
  10. C

    HLG B drivers not dimming down to 10%

    Arduino's are cheap.... https://www.arduino.cc/en/Tutorial/PWMhttps://www.arduino.cc/en/Tutorial/PWM
  11. C

    New style Samsung LM561C Board

    same...poor assembly practice...a dot of blue on the threads..no retighten
  12. C

    New style Samsung LM561C Board

    Fortunate enough, never had to deal assembled boards, always was on the surface mount side at the component level. When I was younger I spent many a fun days with a micrometer and calipers, opening boxes from china and ensuring the board mount pcmcia slots were to a networking companies specs.
  13. C

    New style Samsung LM561C Board

    Aka did you spec the aluminum for the board? if not, great its softer than other stuff you have worked with....again what is your point? For your form factor board....strip users can use thermal tape :bigjoint:
  14. C

    DIY with Quantum Boards

    Rakin show's good math skills in other posts...
  15. C

    New style Samsung LM561C Board

    1: If you use a thermal paste you would not have needed to tighten it as much to make sure you have contact between your board and your heat sink...Unless you are surface polishing your heat sink via granite and the same goes for your light panel, you will have poor thermal transfer. 2: Why...
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    New style Samsung LM561C Board

    R2T = Run To Target....vendor on alibaba
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    DIY with Quantum Boards

    You asked for it with a question like that.....you are the type of consumer companies love....hence the led HPS bulb replacement.... both combo's run the power supply at max, the lumen output will be more or less same if you run them through the calculator, one will have a more efficient lumen...
  18. C

    DIY with Quantum Boards

    No, I am not...I read it on the internet.
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