Subject:
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Re: rcx unit
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 17 Nov 2003 18:59:25 GMT
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Viewed:
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898 times
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In lugnet.robotics, Chris Phillips wrote:
> Actually, I have found that the RCX can "see" infrared through bricks. A long
> time ago, I tried to cover up the RCX by building a box around it out of LEGO
> and was very surprised to find that I could still control it with the remote. I
> think the infrared light seeps through the cracks between the bricks well enough
> to be recognized. The light also can bounce off walls and around corners, so it
> is not necessary to point the remote directly at the RCX.
>
> Of course, it works better when you don't cover the receiver and when you have
> direct line-of-sight, but these things are not completely necessary.
To be honest, I did the same research when got the RCX, with same results, but
my opinion is to prepare newbies for the worst case scenario. In fact, I never
lost signal when moving my robot around my room (RCX was pointing up, IR tower
too, both set to HI), but quick research with _LO setting lead to fact that
transmitter transmits in approx 56 degrees wide area, so if one wants to be
really sure, one should care.
Robert
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Message is in Reply To:
 | | Re: rcx unit
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| (...) Actually, I have found that the RCX can "see" infrared through bricks. A long time ago, I tried to cover up the RCX by building a box around it out of LEGO and was very surprised to find that I could still control it with the remote. I think (...) (21 years ago, 17-Nov-03, to lugnet.robotics)
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