Subject:
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Re: Reflectance sensor
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 22 Nov 1996 13:08:34 GMT
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Original-From:
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Fred Martin <fredm@media.mit.!ihatespam!edu>
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Viewed:
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1369 times
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You can use either. The 180 ohm resistor will make the output LED brighter,
which is generally better, unless you make it so bright as to reduce its
lifespan.
-Fred
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> I'm a little confused. On the Handy Board web page it says to use a
> 330 ohm resistor, but a coleuge of mine said to use a 180 ohm rest..
> Please help. Could it be because I have a different brand of sensor
> than the one in the diagram??? Thanks in advance.
>
> Peter Eacmen
>
> P.S. : I'm using the reflectance sensors from Digi-Key part #
> QRD1114QT-ND
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