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diy led module

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diy led module Customers Reviews

  • Huge light output for its size

    posted by BjornR1989

    + Very high light output, comparable to a 500W halogen bulb+ More energy efficient than halogen lamps with similar light output+ True cold white light+ Compact design
    When in doubt what the correct polarity is, a regular multimeter switched to diode measurement mode will not be sufficient to test the polarity since the module consists of many light emitting diodes in series. The voltage drop simply is too high.Use a current limited bench supply and slowly turn up the voltage.I sure hope it'll outlast multiple regular light bulbs.
    Lots of light at a reasonable price. Just make sure to choose the right constant current power supply.
  • Good Led

    posted by Franzel0815

    Cheap! Low power consumption Relatively easy to install (soldering skills required). Offers flexibility in terms of how/ where you wish to use it as it does not come mounted on a star. Good quality only one of the 50 is dead after a month at normal use in a living room lamp.
    A constant current source and a heat sink is required, otherwise you will fries your emitter
    If you know how to handle these type of Led, i can recommend these one (fifty)
  • Very strong light - 100 emitters

    posted by yarash

    Very strong light, the specifications say it hasOnly one emitter, but it actually has 100 of themEach peace has on each side the (+\-) so it is very easy to solder a few peaces in a row.Very good build quality
    It is not obvious to me that if i buy an LED That i need to add more equipment other than just powering it.
    Very high quality, but needs some way to cool it down
  • 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***
  • Surprisingly bright!

    posted by farmandkbh

    Planning to make a reverse light for the car. This LED in series with a 3,9 ohm 5 W resistor and a heat sink will do the job (avg 13.6 volts on my car). Could use a constant current driver (ex. SKU 3256) but i think it's a bit overkill and the resistor is a lot more safe in this environment.
    Just waiting to make comparisation with the std bulp!
    Highly recommended, but remember that current must be regulated rather than voltage

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