Subject:
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RE: Hardware Hack
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 6 Jul 2001 12:39:13 GMT
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Reply-To:
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<rhempel@bmts.&stopspam&com>
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Viewed:
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995 times
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> Roy Wood wrote:
>
> > It seems intriguing that there are 8 A/D converters and/or 8 input-only
> > pins, and we've got access to only 3 inputs. Are the others just not
> > connected?
>
> The four buttons on the front panel and the IR data port probably
> make up the
> remaining 5 inputs.
Nope. One of the inputs is used for the battery level, the other 4 are
unused as far as I know. The on/off button is connected to a hard interrupt
line for the sleep function, and the other 3 butons are on an IO port.
It's all in Kekoa's original document....and I don't have the URL
handy, but a quick LUGNET search (a feature more folks should use :-)
turns up:
<http://news.lugnet.com/robotics/rcx/pbforth/?n=306>
And it turns out I even posted it!
Cheers,
Ralph Hempel - P.Eng
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Message is in Reply To:
 | | Re: Hardware Hack
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| (...) The four buttons on the front panel and the IR data port probably make up the remaining 5 inputs. I guess you could consider wiring up at least two of the front panel buttons to sensors since they aren't used when the program is running - but (...) (23 years ago, 7-Jul-01, to lugnet.robotics)
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