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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > DIY 3 Point Clip for FreeTrack Video

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Kestrel #16 05/10/2007 - 17h49

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The great Dr. Emmett Lathrop "Doc" Brown,
also known as the inventor of the 4point head tracker:



You would suffer permanent neck injury after having that thing on your head for more than 5 mins in a dogfight.  :D
urze #17 05/10/2007 - 20h14

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Kestrel @ 05/10/2007 - 19h49 a dit:

The great Dr. Emmett Lathrop "Doc" Brown,
also known as the inventor of the 4point head tracker:



You would suffer permanent neck injury after having that thing on your head for more than 5 mins in a dogfight.  :D


But it would work!
didja #18 06/10/2007 - 20h58

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:lol:  :lol:  :lol:  :stuart:  :stuart:  :stuart:  :p  :p  :p

Well found !!! (is it english ? ->  "bien trouvé"  :glasses: )

Rémy ^^ :)
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MIKEYMC #19 27/10/2007 - 16h48

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Hello,

I am currently copying what yoy have done with a cateye light. Ive got the exact same one. Im planning on using IR LED's instead though. The problem is I have no clue of electronics. Can you tell me what voltage amp LED's to get please?
Laci #20 29/10/2007 - 17h18

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MIKEYMC @ 27/10/2007 - 17h48 a dit:

Hello,

I am currently copying what yoy have done with a cateye light. Ive got the exact same one. Im planning on using IR LED's instead though. The problem is I have no clue of electronics. Can you tell me what voltage amp LED's to get please?



You better check it with a multimeter. Or ask somebody who has this cateye. Anyway as I know it uses 2 x 1,5V batteryes so if the curcuit is running on 3V then the leds getting equal or less.  Probably less.
babasior #21 26/12/2007 - 11h59

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@Urze :

Nice vidéo ! easy to build (but for new customer : use size of freetrack 2.1 GUI ...)
urze #22 08/03/2008 - 14h23

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You are right!

I changed the dimensions of it. Now the tracking is as accurate as a TrackIR 4 from Naturalpoint :
Posted Image
snipcod #23 21/03/2008 - 22h50

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When your doing the dimensions how do you messure it?  Ive not really found anything showing me how.  Also what type of messurement are you using?  The 70, 65, 90, 80 is messing me up
luca #24 21/03/2008 - 22h59

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In this pic, I can see the dimensions setted to 7 for the short arm and 80 for the long, but this numbers seems not reflect what I see in the image
Stay FREE
PitBull #25 22/03/2008 - 21h21

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I'm planning on building this cat-eye clip, however, I'm not sure what those flexable black tubes are. Anyone know?
luca #26 28/03/2008 - 00h08

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Hi Urze, can you say me something about the difference between the photo and the dimension setted in the FT panel?
As I can see in the pic, the longest arm is not so much different from the smaller.
Stay FREE
ctdannyd #27 19/07/2010 - 13h40

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Urze - quick question...

Building my device this week (already have the Cateye).  Did you have to modify your webcam?  Or did you just use settings to get what you needed??

I would rather not, so it can still be used for Skype, etc, but I'll get another camera if needed.

Also, any advantage to going to UR LED's?

Thanks - Dan

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