Subject:
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Re: Re[2]: IR Collision avoidance
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 3 Mar 1997 16:04:28 GMT
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Original-From:
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Chris Moore <cmoore@cancun.rose.hp.comSPAMLESS>
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Viewed:
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1584 times
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On Mar 3, 2:12am, Richard Whitehead wrote:
> Why is everyone using a digital device to try to detect the (analogue)
> distance to an object? Especially one with AGC, it makes no sense!
Richard,
In my case there are two reasons. First, I'm not trying to find the
actual distance. I just want to know if there is something within a
particular range. I don't care if it's an inch away or a foot.
The second reason is that I can get a cheap, easy to use sensor from
Radio Shack. If someone makes a single device with a single analog output
for less than $5 I'd grab it!
Chris
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Message is in Reply To:
 | | Re[2]: IR Collision avoidance
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| Bill, Why is everyone using a digital device to try to detect the (analogue) distance to an object? Especially one with AGC, it makes no sense! I modulated the IR at 10KHz (high enough to be away from mains light flicker, but out of the way of the (...) (28 years ago, 3-Mar-97, to lugnet.robotics.handyboard)
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