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red color led

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red color led Customers Reviews

  • A must have for all Arduino hobbyists.

    posted by rewkk

    - Very useful to get numeric and/or state output and to provide input to a sketch into an Arduino using only 3 pins.
    - Rather cheap for all the functionality provided.
    - The little ribbon cable used to chain several modules can be used to connect the Arduino, when soldering a adequate outlet on a prototype shield.
    It can easily be used with the excellent lib :
    http://code.google.com/p/tm1638-library/
    This is obviously a must have for any Arduino hobbyist.
    It can either be used for its own sake, just for fun, or to provide a good way to display some internal values when building something bigger. For example, buttons can be programmed to select a given value to display.
  • Very Good Flashlight for beekeepers.

    posted by m1007

    Very Good Flashlight for beekeepers. Bees does not respond for red light. Bee's do not see red light at 640-650nm. This red LED has dominant wavelegth about 627-630nm. BUT IT WORKS ! See my videos. Bees do not respond or react for this light. Professional, cheap, constructive, with exellent quality, what else ?
    Can stay on bottom.
    Ideal flashlight for beekeepers.
  • Excellent Product! Hard to find!

    posted by Drovers

    One of VERY few 3 channel single colour LED remote controllers currently on the market.VERY Well built, solid controller box and well made remote.Memory function on remote is very handy, enables memory function when device is turned on via remote to the setting programmed.
    Am powering this item with SKU: 56109 which is providing AMPLE amounts of power to run 8 30cm LED strips, am planning on adding more strips to this in the near future.
    Excellent product, have purchased a few already and will be purchasing more in the near future.
  • Works sweet

    posted by tracyching

    Super easy to get up and running. Connected this to LED dome light 12v 8.9w panel. Works nice in aquarium hood. RF signal range works across the room - very nice and convenient.
    May not work with all 330mA drivers. It didn't work with SKU 47060 current source. LED Light flickered at 50% with 7w COB LED 22volts. SKU 47060 driver has design flaw.
    Great but expensive.
  • good laser and flashlight with s.o.s

    posted by JUAKOFULL

    the laser is of very good quality, the range is impressive. flashlight stays on when you press the button, if you press it again, starts flashing like SOS or party. THE CASE IS ALL METAL, AND MEASURES LIKE A BATTERY AAA
    has space for keys. I think it's a great gift. is very small, we all would like to have as a keychain, very practical tools
    perfect for gifts, or play with your cat, or prank people. and the lantern, you have never been so handy, you can not help but always carry with you

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