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Thread: FreeTrack - The free alternative to TrackIR

  1. #16
    Marv's Avatar
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    OSRAM SFH485P is the type I purchased but I'm afraid it was indeed from china (even though the seller was listed as UK). And a bit overpriced... I would give the filing way a go.

    i7 4960X, 16GB DDR3 1600MHz, Asus Sabertooth x79, Sapphire 290 4gb, Win10 pro 64.

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  3. #17
    MICHELIN -gate Aaron's Avatar
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    Tried somewhere like CPC or Maplin?



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    🙈 🙉 🙊 heavywater's Avatar
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    Farnell/RS/Rapid will all have a billion different types of IR emitters.

  5. #19
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    Quote Originally Posted by Aaron View Post
    Tried somewhere like CPC or Maplin?
    CPC! I knew I'd forgotten somebody. Ta!

    Maplins have some that are pretty close to spec. But they won't deliver them, and the nearest store only has 2 in. The next nearest has none... I'd end up doing a roughly 30 mile round trip for 3 LEDs that are only close to the spec I want lol.

    Quote Originally Posted by heavywater View Post
    Farnell/RS/Rapid will all have a billion different types of IR emitters.
    Farnell have some that at first glance look perfect, the OSRAM SFH4556P. The have a huge beam angle of 130 degrees, but they're 2V and 850nm (which means I have to mess about with the circuit and optical filters). That's one of my backup plans

    Rapid have the SFH485P Marv mentions above, but they only have a 40 degree beam angle. RS have tons of IR receivers, but for emitters I can only find the opto diodes, which include visible light spectrum so they're no good as I'll get annoyed by them reflecting on my screen.
    Facts are meaningless. You could use facts to prove anything that's even remotely true - HS.

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    I'm fairly sure the SFH485P has a viewing angle of 80 degrees which should be plenty.

    i7 4960X, 16GB DDR3 1600MHz, Asus Sabertooth x79, Sapphire 290 4gb, Win10 pro 64.

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  8. #21
    🙈 🙉 🙊 heavywater's Avatar
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    Are SMDs out of the question?

    KINGBRIGHT KP-3216F3C on Farnell
    1.6v, 940nm, 120 degrees, 11p each

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    Quote Originally Posted by Marv View Post
    I'm fairly sure the SFH485P has a viewing angle of 80 degrees which should be plenty.
    Says 40 on farnells... Or is that supposed to be 40+/-? (I've seen some 90 degree ones described as 45+/- on other websites).

    Quote Originally Posted by heavywater View Post
    Are SMDs out of the question?

    KINGBRIGHT KP-3216F3C on Farnell
    1.6v, 940nm, 120 degrees, 11p each
    I'll have to rethink how I was going to mount them, but that might be a winner. A little on the small side, but I can probably work around that

    I was thinking about making a top mounted (cap style) clip instead of or as well... They'd probably work better with that... I'll get on it lol.
    Last edited by FunkY; 20-04-17 at 20:23.
    Facts are meaningless. You could use facts to prove anything that's even remotely true - HS.

  11. #23
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    Quote Originally Posted by FunkY View Post
    Says 40 on farnells... Or is that supposed to be 40+/-? (I've seen some 90 degree ones described as 45+/- on other websites).
    Yeah, spec sheet on the store page suggests 40+/-

    https://www.rapidonline.com/pdf/58-0446.pdf

    Generally they're the ones most mentioned on freetrackir forums and guides, due to efficiency, wide angle and size.

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  13. #24
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    I ended up ordering some wide angle chanzon IR emitters...

    Brand: Chanzon
    Power: 3 Watt (Max)
    Emitting Color: Infrared (IR 940nm)
    Recommended Current: 450mA
    Forward Voltage: 1.2-1.4V
    Luminous Flux: No
    Emitting Angle: 120-140 degree

    I'm thinking 3W is probably a bit over the top, but I shouldn't have any problems getting the PS3 eyecam to pick them up xD

    Now I just have to wait for them to be delivered... Which is looking like sometime next month
    Facts are meaningless. You could use facts to prove anything that's even remotely true - HS.

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