is there have surface or coordinate sensor?

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is there have surface or coordinate sensor?

Postby CarsonL » Mon Feb 28, 2011 1:15 am

i would like to find a sensor which i called it as surface sensor. let's say i fix the sensor at the corner of a table and randomly put an object on the table, then the sensor can sense the object in between 0 to 90 or 180 degree and tell me the coordinate of the object. is there have such sensor?
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Re: is there have surface or coordinate sensor?

Postby kl84 » Mon Feb 28, 2011 2:20 am

Maybe you need this:
Laser Range Finder

I think this one is quite suitable for your application because of its small form factor: HOKUYO URG Laser Range Finder 4m (New)
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Re: is there have surface or coordinate sensor?

Postby CarsonL » Tue Mar 01, 2011 12:55 am

i plan to use the sensor in my college final year project. i think the sensor you recommended is too expensive for me. other than this, is there any sensor can be the replacement and the price is not too expensive and affordable?
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Re: is there have surface or coordinate sensor?

Postby kl84 » Tue Mar 01, 2011 10:51 am

CarsonL WROTE:i plan to use the sensor in my college final year project.

What's that sensor?

CarsonL WROTE:is there any sensor can be the replacement and the price is not too expensive and affordable?

A webcam and lotsa coding to track the object using image processing...
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Re: is there have surface or coordinate sensor?

Postby CarsonL » Fri Mar 04, 2011 12:56 pm

i plan to do some sort like touch pad or keyboard so i need the sensor which can sense coordinate (X, Y).
can camera and lotsa coding do this?
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