Subject:
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Re: Thoughts
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 19 May 2006 07:19:47 GMT
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Original-From:
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Juergen Stuber <juergen@{AntiSpam}jstuber.net>
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Viewed:
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6592 times
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Hi Andrew,
"Andrew Meyer" <agmlego@gmail.com> writes:
>
> However, I will state it (again) here. In one of the few
> messages I did read during that time, I got the impression that
> the NXT sensor ports were digital in nature. However, my
> thoughts followed this pattern:
> *There are converter cables from RCX to NXT, mainly made for sensor use.
> *RCX sensors are analog.
> *Thus, either the NXT needs to have ADC's, or the cables themselves need to.
> *If the cables had ADC's, though, then RCX motors wouldn't work with the
> converter cables as they apparently do.
> *Thus, I conclude that the NXT sensor ports must have ADC's behind them to an
> extent, and thus homebrew sensors need not output a digital signal.
there are actually 3 I/O lines on each sensor port:
- 1 legacy sensor A/D with appropriate power supply on the same line.
- 2 digital I/O lines, one of which can also be configured as analog in.
The remaining lines are 2 GND pins and a power supply.
Cheers
Jürgen
--
Jürgen Stuber <juergen@jstuber.net>
http://www.jstuber.net/
gnupg key fingerprint = 2767 CA3C 5680 58BA 9A91 23D9 BED6 9A7A AF9E 68B4
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Message is in Reply To:
 | | Thoughts
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| While sitting in an incredibly boring IB Spanish I class this afternoon (no teacher=no work=no progress=boredom=idle thoughts), I had an idea. It may have been said already in the flood of NXT-based messages which crossed my inbox several months (...) (20 years ago, 18-May-06, to lugnet.robotics)
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