 | | RCX Tower Internals —Ralph Hempel
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| | | Hi All. I've just had some wierdness with my tower and decided to open it up to see what's inside. My basic issue is that the two emitters and the detector are not lined up (even close) with the "Clear" lens section on the front of the tower. Is (...) (25 years ago, 7-Jun-99, to lugnet.robotics.rcx)
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| | | | | Re: RCX Tower Internals —Kekoa Proudfoot
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| | | | (...) Mine is like this too, I think. See (URL) compare to see if they look similarly. For me at least, the emitters and detector are slightly above the "clear" section. (...) For me at least, there is no way the components can line up with the (...) (25 years ago, 8-Jun-99, to lugnet.robotics.rcx)
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| | | | | | Re: RCX Tower Internals —Keith Miller
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| | | | | Kekoa Proudfoot <kekoa@pixel.Stanford.EDU> wrote in message news:FCzorK.Gyn@lugnet.com... (...) (URL) and compare to see if they look similarly. For me at least, the emitters (...) By the way.. Kekoa, I've looked at your page.. And I've discovered (...) (25 years ago, 8-Jun-99, to lugnet.robotics.rcx)
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| | | | | | RE: RCX Tower Internals —Ralph Hempel
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| | | | Kekoa wrote... (...) This might be a really simpleminded circuit. As far as I can tell there are a pair of 132's (simple HC logic chips) - one for each direction. They implement direct echo back, which implies that the channel is really only half (...) (25 years ago, 10-Jun-99, to lugnet.robotics.rcx)
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| | | | | | Re: RCX Tower Internals —Kekoa Proudfoot
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| | | | (...) I'm pretty sure the echo is not direct, it goes out through the emitters and back into the receiver. This is demonstrated by varying the lighting conditions and/or the baud rate and noting the response. If the echo were direct, you'd receive (...) (25 years ago, 10-Jun-99, to lugnet.robotics.rcx)
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