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OK, I'll put something together.

I'll have it up with a URL in about a week.

Don't expect anything fancy, but it SHOULD tell you everything you need to know, step by step, to build an active IR dot into a baseball cap.

Umm,

Maybe I'm overlooking something here. You mention you have tried repositioning your trackIR unit, but have you tried just changing its attitude? Leave it in a good spot, just pivot it so it is angled looking up more and that should centre your dot just fine....

<t>I have built an IR LED into a baseball cap and it seems to work very well indeed!<br/> <br/> I bought �5.00 worth of bits from Maplin (UK equivalent of RadioShack) and it works wonderfully.<br/> <br/> In essence I have a battery holder (holding 2xAAA rechargeable batteries). The batteries are r...

<t>Thanks for your replies all - IR interference does seem to be the problem.<br/> <br/> As I mentioned above, I have now tried turning off the IR LEDs and the filters. With my baseball cap IR LED the system is 100% reliable *until I switch the 3D goggles on*. Now, I have mounted the LED on top of t...

<t>Hi all, <br/> <br/> I wonder if any of you have experienced interference between TrackIR and E-Dimensional wireless 3D glasses?<br/> <br/> Basically when I have both turned on then the mouse cursor jumps and the shutter synchronisation is lost.<br/> <br/> If I cover the trackIR unit with my hand ...