Subject:
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Re: Lots of new FAQ answers and some revisions
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 14 Jul 1999 18:34:49 GMT
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Viewed:
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1262 times
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In lugnet.robotics, Michael Gasperi writes:
> I noticed a description of a Sound Sensor in this FAQ
> http://www.lugnet.com/faq/?n=536. I wonder if anybody has ever tried
> hooking a microphone up directly to the input of an RCX the way that is
> suggested. I doubt it would really work. The microphone voltage would be
> modulated at audio frequencies but the RCX samples at much slower rate.
> Also condenser microphones often require a DC supply that wouldn't be
> available without extra electronics.
I have updated that FAQ entry. It now starts by describing the
"active circuit" method of reading sound, with pointers to two web
pages of people who have actually done it, then describes the
simple "passive" way along with its drawbacks and limitations. Here
is the pointer to the new answer entry:
http://www.lugnet.com/faq/?n=586
Thanks for the feedback!
- Robert Munafo
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Message is in Reply To:
 | | Re: Lots of new FAQ answers and some revisions
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| I noticed a description of a Sound Sensor in this FAQ (URL) I wonder if anybody has ever tried hooking a microphone up directly to the input of an RCX the way that is suggested. I doubt it would really work. The microphone voltage would be modulated (...) (26 years ago, 14-Jul-99, to lugnet.robotics)
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