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Newbie: Digital Sensor Question

Discussion in 'Electronic Basics' started by Mark Everett, Aug 26, 2003.

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  1. Mark Everett

    Mark Everett Guest

    Hi,

    I know nothing about electronics at the moment but I am looking into
    pursuing a personal project.

    Does anybody know if there is an off the shelf product which can
    determine the xyz position of a tagged object within a 5x5x3 metre
    range. So I just mean a sensor and a small digital tag which can be
    fitted to/inside an object. Then I want the sensor to detect where the
    tag is in relation to the sensor.

    I want to be able to read the location (offset coordinates anyway)
    into my pc initially.

    If there isn't anything already on the market to do this
    a) is it possible/hard and what do I need?
    b) will i require a high degree of electronics knowledge?

    Any information would be much appreciated.

    Cheers
    Mark
     
  2. Kyle Miller

    Kyle Miller Guest

    Well first of all you need to decide whether any physical object like
    an arm can reach the tagged object. I assume by 5 meters you likely
    want wireless measurement. I am not aware of any commercial device
    like that. Light waves, RF radio waves could work. Something like a
    high-powered metal detector with three seperate coils (x,y,z) that
    measure phase shift of a known mass of metal would probably be the
    simplest way to build it.

    Kyle
     
  3. Does anybody know if there is an off the shelf product which can
    You could potentially use colour tracking and have cameras on 2 walls. The
    only easy way *I* know of to do this is to use Cycling74's Max/MSP, which
    has a feature to do it.

    Also, I don't know just how innaccurate it would be in the capacity you want
    to use it, but you could always pair up a 3-axis accelerometer with a
    wireless serial transmitter, then just start the thing off at the same point
    in the room each time and reset the coordinates. I have no idea if this
    would work though, I've never tried it. The things might not be sensitive
    enough.

    Ewan
     
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