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Thread: tri-reb rgb color mix stunt saber

  1. #1

    Default tri-reb rgb color mix stunt saber

    Okay here I go. I have nice 1'' od metal pipe that's been drilled and cut perfectly. Will make a great hilt. I've been researching how to make an rbg saber that can do color mixing. I'll probably only ever have 2 of the diodes on at a time since all 3 just make a light pink. I'm wondering if 3.7v will be enough for color mixing. I'd be interested in hearing peoples' experiences with color mixing. This will have no sound either.

    -Wiring + heat shrink, of course
    -luxeon tri-rebel star rgb
    -18deg rebel star lens
    -thermal tape pad
    -30'' battle blade
    -luxeon star heatsink
    -end cap
    -3 latching switches
    -3 of the 20mA DynaOhm? Variable Resistors
    -Panasonic Protected 18650 3.7V 3400mAh battery
    -retention screw

  2. #2

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    From what you described, you aren't going to be doing much "color mixing" per se, just using 2 of the 3 dice to make a color, whatever that color turns out to be. You should be able to run 2 dice in parallel with an 18650 easily enough.
    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

  3. #3

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    I guess I explained it weirdly. x) When I say color mix I actually meant just a color changing saber whose battery will be able to handle having at least 2 dice on at a time if I want so I can color mix. But if 2 dice can indeed be run easily enough off an 18650 then I guess that answers that.

  4. #4

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    I've run a Tri-Rebel RGB off a single 18650 with no issues, using one, two, or all three dice. Look up my "Asp" saber if you're interested.

    I see you have 3 DynaOhm resistors. I hope you're not planning on using those with the Tri-Rebel? They only provide 20mA of current, and that's not nearly enough to run the Rebel LEDs. Use normal resistors instead.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  5. #5

    Default

    Quote Originally Posted by Silver Serpent View Post
    I've run a Tri-Rebel RGB off a single 18650 with no issues, using one, two, or all three dice. Look up my "Asp" saber if you're interested.

    I see you have 3 DynaOhm resistors. I hope you're not planning on using those with the Tri-Rebel? They only provide 20mA of current, and that's not nearly enough to run the Rebel LEDs. Use normal resistors instead.
    Well that's all certainly good to know. Just to corroborate what I've seen in my research, the red diode is about 2.3 volts correct? Or is it up to 3 like the blue and the green but just run at 700ma? Thanks SS.

  6. #6

    Default

    The red Vf is around 2.3V NOT up to 3V. Also, the Red is run at 700mA (maybe a hair more) or pop goes the diode.
    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

  7. #7

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    I thought so. Just making sure. Thanks guys.

  8. #8

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    Correct. I used a 1 ohm 2 watt resistor on both the blue and green, and a 2.2 ohm 2 watt resistor on the red.
    We all have to start somewhere. The journey is all the more impressive by our humble beginnings.

    http://led.linear1.org/1led.wiz for the lazy man's resistor calculator!
    http://forums.thecustomsabershop.com...e-to-Ohm-s-Law for getting resistor values the right way!

  9. #9

    Default

    I have nice 1'' od metal pipe that's been drilled and cut perfectly
    I hope this is a type-o because if you have a pipe with a 1" outside diameter you are not going to fit a battle blade that also has a 1" outside diameteer, inside of it.

  10. #10

    Default

    Inner. Inner diameter I mean, lol. x)

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