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-   -   Needed: Very precise light based detector (http://www.chiefdelphi.com/forums/showthread.php?t=83618)

de_ 25-02-2010 17:56

Needed: Very precise light based detector
 
We would like a very narrow beam detection system to detect a ball within 1/4" across the 20" face of (3" inside) our robot. There appears to be lots of inexpensive light detectors but we are having trouble finding a legal narrow beam light source as FIRST prohibits anything with a "laser" description. Unfortunately a low power consumer "laser" pointer would be ideal.

Anyone with any suggestions how to get a (non-laser) led light source into a very narrow beam (for 20") ?

Jared Russell 25-02-2010 18:07

Re: Needed: Very precise light based detector
 
http://www.bannerengineering.com/en-US/

Banner makes all sorts of sensors for this (that don't use lasers). We are using one to detect balls on our robot (QS18 series), and it works great.


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