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led power module

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led power module Customers Reviews

  • Excellent Unit

    posted by glasseye2

    Performs exactly as advertised. Clean, clear light. Slightly blue to the camera, but to the eye, it's daylight.
    More than bright enough at 6 feet. I use one for reading at about 2ft.
    I installed three of these in my van and run them from a recycled computer UPS battery. They run forever on this power supply. I measured the current draw at less than 200 mA.
    Excellent value, especially since they include a constant current power supply.
  • External Charguer For Everything

    posted by Displayport

    ***You can chargue lots of little gadgets like mobile phones, e-books, tablets...***All-in-one PCB, you can chargue your li-ion battery through micro-USB port
    ***If you try to chargue two gadgets at the same time, batteries may became hot******It works better if put two or more lithium batteries connected in parallel because increase the useful life of then***
    ***Good item for do you own portatile charguer for much less than buying a new one in shopping centers***
  • small dc-dc converter

    posted by nuralist

    The device was bought for powering Cree xml diode to limit current. The device have Voltage and Current regulation. My diode takes 3 ampers of current so I had to use little radiator with a thermal grease on the LM microchip, without it temperature was more than 100 C and LM chip protection had tripped. After i've used heat sink everythink became OK)
    informative specification
    good deal
  • Works well but produces sound

    posted by akonstantinov

    Small. Works. No heating noticed so probably efficiency is good. Powers 1 1W LED nicely.
    I will try to use some compound on transformer. Maybe that will silence it.
    It should use high conversion frequency to avoid buzz.------- ADDING DUMMY CHARACTERS TO REACH 500 THRESHOLD -------------- ADDING DUMMY CHARACTERS TO REACH 500 THRESHOLD -------------- ADDING DUMMY CHARACTERS TO REACH 500 THRESHOLD -------
  • good product

    posted by fnflores

    good quality product, great luminosity (please take care, do not see LED directly), easy to use, it is applicable for any Arduino LED project, it comes with a standard packing.
    Recommended for high luminosity LED projects (I did a Christmas light for home), also to test any Arduino library works fine!
    Use it! it is fun and really easy to use!


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