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5 meter white LED strip for $3.56 — Parallax Forums

5 meter white LED strip for $3.56

CuriousOneCuriousOne Posts: 931
edited 2015-05-04 19:34 in General Discussion
http://www.ebay.com/itm/131021767060

+0.99 shipping, but each additional item is free, and seller gives proper tracking code. Took about 10 days for delivery to New Castle, DE.

So far, I'm running it on for around 48 hours and no leds failed yet.

The strip itself is very thin, so thin that you can break it with hand if you want. Also, voltage drop is an issue - when I apply 12V to one end of the complete strip, at another end, voltage measures just 9.8V.

Color is white, with a very slight, almost unnoticeable bluish tint.

So far, this is the lowest price I was able to find for a led strip. Hope Erco will beat me in this :)

Comments

  • PublisonPublison Posts: 12,366
    edited 2015-05-01 06:42
    Does it have adhesive backing?
  • CuriousOneCuriousOne Posts: 931
    edited 2015-05-01 06:49
    Yes it has, I've ordered two rolls for testing, one had adhesive shifted for about 2 inches at starting area, but runs fine along whole length.
  • PublisonPublison Posts: 12,366
    edited 2015-05-01 08:12
    A penny a piece for the LED's not including substrate. How can they do that? Cheap enough to throw on a Quad with clear heat shrink.

    Ordered two.
  • ercoerco Posts: 20,256
    edited 2015-05-01 09:05
    There's a new erco in town! Great find, CO.
  • prof_brainoprof_braino Posts: 4,313
    edited 2015-05-02 07:54
    CuriousOne wrote: »
    So far, I'm running it on for around 48 hours and no leds failed yet.

    I have a roll and the traces began to delaminate after about 6 months. After a year many had failed, my wife had me take them down. I think the need to properly glued to something dimensionally stable, but I did get that far.
    voltage drop is an issue - when I apply 12V to one end of the complete strip, at another end, voltage measures just 9.8V.

    I hooked up the plus at one end, and ran a 14 gauge wire to the other end to attched minus at the opposite end. This helped even out the voltage drop, it appeared evenly bright the whole length.
  • localrogerlocalroger Posts: 3,451
    edited 2015-05-04 19:34
    erco wrote: »
    There's a new erco in town! Great find, CO.

    Oh my god we are DOOMED. Hide your wallets and RUN, RUN NOW!!!!!

    *peeks to see next post*
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