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led circuit board Customers Reviews

  • Good but not great

    posted by yoshi6300

    cool leds
    works good most of the time
    good price need it for my broken hdd enclosure
    shiped in like 7 days :)
    box wasnt damaged at all
    ok for price i would recommend it
    good useful and great if u have a broken HDD case
  • Works with up to 6 XML's

    posted by valdasbiel

    Driver board is suited to work with 4,5,6 XML's connected in series with output on high about 1~1.2A. It has three modes on cycle press and hidden flash. You can set any of three modes choosing from 10 levels of brightness. It has low voltage warning turning red status on.
    For better use with 3 or 4 XML's I have modified sense resistor with 0.04 Ohm value. Output current on high increased up to 1.5A.
    For the price it has one of the best user interfaces in comparison with similar drivers
  • Perfict

    posted by Josh101

    Used this to make a small 1w led flashlight. Nice small size, with good output. Drives 1w LED's well and is robust. Comes with two drivers joined slightly together, great for small applications.
    There small and do their job well. no issues yet but don't see any reason to worry.
    Buy them. (space filler space filler space filler) words words words have nothing else to say. Word count is a bit annoying when you dont have much to say.
  • Powerful driver

    posted by plasmalights

    Powerful driver,Good selection of modes.
    I have installed this in to a custom built torch.The torch setup has a xml-U2 led driven by this driver and fed from an ultrafire red 2600mah 18650.All test results taken in high mode.Testing the output from the 18650 gives 4.00V and 4.00A giving a total battery draw of 16WTesting at the led gives 3.10V and 3.50A giving a led consumption of 10.85WCalculating these figures in to efficiency shows that 32% of the power is lost within the driver.This driver, but with selectable mode blocks (3mode 5mode 8mode etc) would be greatMust be fed from a good cell, when fed from a 14500 the max current is 2A not 4A.
    This XML-U2 build is really bright,I can live with the lack of mode memory and the extra disco modes.GOOD DRIVER!
  • nice driver for several uses.

    posted by lasermanathome

    sure , you can use them for Cree leds etc.But the single mode makes it possible to use them for other functions too.I have used them for 455-445nM laserleds, those nasty bleu powerbeam LD's with over ONE WATT bleu laserlight.Those laserleds can easily be destroyed, this PC prohibits this and crank your LD up to its max without obvercurrent.
    You have to use them with LD or leds wich are in voltage near white powerleds(3-4V)Almost no heating up or instability in current.
    Nice PC for inventors, in theory you can put them parallel but diode for safety is advised.

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