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Hi all,just a quick question ,but could a class1 or 2 laser pointer be used with a LDR to detect slot cars ???
Just downloaded ur3.0 and would love to get it up and running.

regards neil
 

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Rich Dumas
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Maybe. My experience with LDRs (Light Dependant Resistors) is that they need a fairly strong light to conduct. Give it a try, but you may have to switch to a more conventional light source. Most people use IR emitters and detectors rather than LDRs.
 

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Using Infrared emmiters and detectors with UR3.0 and all is well here.
I would think the laser pointer would be hard to aim correctly in this application.
If you are really itching to go....you could use a dead strip. No parts to buy.
 
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