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Thread: Another Resistor Question

  1. #1

    Default Another Resistor Question

    Hi All
    Need someone's opinion on the following

    Looking to swap out my current LED and replace with a Cree G,G,R, using the Red die to make a yellowish FOC. My hilt his a little crammed so can't safely fit in a larger resistor that can handle the Red running at full strength without it butting up against the battery pack. So if I wired the red up to a 10 ohm 3 Watt resistor, and adjusted the FOC current using RICE so that the Red die was under 500 mA, would this cause a problem?

    Cheers


    Resistor.jpg

  2. #2

    Default

    What card are you using?
    TCSS MODERATOR
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    "Yeah, yeah, I've heard it all before... you want blindingly bright, super loud, running 1138 blinkies off of the cheapest sound card you can find AND you want all of it to run on a battery the size of a dime, and run for a very, VERY long time. That one cracks me up every time..."
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  3. #3

    Default

    Sorry, forgot to mention that. I'm using a PC3.0, 18650 7.4 stick

    Both greens wired in parallel, red FOC

    Cheers
    Last edited by Basie; 02-14-2017 at 05:08 PM.

  4. #4

    Default

    It shouldn't, as long as you can fit it all in.
    TCSS MODERATOR
    All n00bs READ these first (PLEASE)!!!:
    1. Forum Guidelines
    2. FJK’s “Down and Dirty” guide to Ohm’s Law

    "Yeah, yeah, I've heard it all before... you want blindingly bright, super loud, running 1138 blinkies off of the cheapest sound card you can find AND you want all of it to run on a battery the size of a dime, and run for a very, VERY long time. That one cracks me up every time..."
    My email: fjk_tcss@yahoo.com

  5. #5

    Default

    Brilliant, thanks for confirming. It's been a while since I last did anything with resistors, so am a little rusty

    Theres just enough room to fit in a smaller ceramic resistor without it butting up to the battery pack. The cram-fu is strong with this one

  6. #6

    Default

    Just a suggestion....wire your greens in series and your battery will last longer between charges.

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