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Q: Light sensors for accurate timings, linking to PC

Discussion in 'Electronic Basics' started by [email protected], Dec 30, 2004.

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  1. Guest

    Hello group,

    I was wondering if one of you might be able to help me with the
    following.

    Basically, I need to get accurate timings for the passage of a ball
    around a roulette wheel. These timings would then be processed on my
    PC.

    I guess I would need several light sensors positioned around the wheel
    to measure the ball passing. As a rough guide, the ball is about 2cm in
    diameter and travels at about 3 m/s.

    I would like to create an experimental setup pretty much like this one:
    http://www.survtech.com.au/reports/rouletteCompDev.htm

    I have looked into using http://www.phidgets.com/ , which looks like a
    very user-friendly platform, but the analog sensors are sampled at only
    65 Hz, which I assume may be too low for my use.

    Could someone point me at a ready-made experimental platform I could
    use for this?

    Any help greatly appreciated.

    Frank
     
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