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color changing needles

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campbellsco

Joined: Oct 26 2008
Posts: 97
Location: Urbandale, Iowa


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Post Tue May 05, 2009 11:31 pm

anyone have any idea on how to do this?


http://www.youtube.com/watch?v=hFVVjaZeCug&feature=related
bad venge

Joined: Jul 28 2007
Posts: 3550


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Post Wed May 06, 2009 3:30 pm

RGB led with controller ... I have them in my cupholder that way
Remove the needles andif they are clear sand the orange off them and repaint them white
Tdawgthegreatest

Joined: Jul 22 2007
Posts: 5093
Location: Florence, Oregon


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Post Wed May 06, 2009 3:53 pm

^^ Or if you want the needles clear, let them soak in finger-nail polish remover, or paint thinner.
Tdawgthegreatest

Joined: Jul 22 2007
Posts: 5093
Location: Florence, Oregon


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Post Wed May 06, 2009 3:57 pm

*EDIT* watched the video. No idea. Id want mine more drastic changing though. Not just a tint of red. Id want it ALL red.

or even go from *white or green* to Yellow midway, to red
bad venge

Joined: Jul 28 2007
Posts: 3550


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Post Wed May 06, 2009 4:13 pm

I would NEVER soak the needles they could /might melt with the solvent

looks like he is using a rpm sensitive switch to activate the color change ...
Tdawgthegreatest

Joined: Jul 22 2007
Posts: 5093
Location: Florence, Oregon


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Post Wed May 06, 2009 5:08 pm

^^ *shrug* I read it on s10forum. Alot of people did it to theirs and they turned out fine.
PwrRngr

Joined: Jul 19 2007
Posts: 4407


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Post Wed May 06, 2009 6:29 pm

Two LEDs, one on a high pass filter and the other on a low pass filter.
JSewell

Joined: Mar 22 2009
Posts: 464
Location: Texas Raised


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Post Wed May 06, 2009 8:14 pm

^^ how would you build that?
bad venge

Joined: Jul 28 2007
Posts: 3550


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Post Wed May 06, 2009 8:17 pm

Google rules u
Black DX

Joined: Oct 16 2007
Posts: 1007


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Post Wed May 06, 2009 9:23 pm

Actually I'm betting more that there are multipul led's at the base of the needle and as it sweeps it moves over different led's thus chaning the color, notice how it doesn't stop having the blue but it get dimmer as it changes to red.
and here is video from the same person showing what I'm talking about:
JSewell

Joined: Mar 22 2009
Posts: 464
Location: Texas Raised


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Post Thu May 07, 2009 8:09 pm

ahh so you think that the led's are always on with the speedometer, just facing diff directions

that'd be smart, prob easier than filters
GlowinPontiac

Joined: Mar 04 2004
Posts: 5959
Location: Central CT


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Post Thu May 07, 2009 9:18 pm

Tdawgthegreatest wrote:
^^ Or if you want the needles clear, let them soak in finger-nail polish remover, or paint thinner.


Ummm.....you do know that most every nail polish remover is acetone right?

It would dissolve most plastics if left to soak overnight.
robbie

Joined: Apr 23 2006
Posts: 5754


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Post Thu May 07, 2009 11:42 pm

^^^ Mighty putty will fix it biglaugh.gif
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