Subject:
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Re: Memory & Sound Detection
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 31 May 1999 00:05:20 GMT
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Original-From:
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Patrick P.K. Hui <HUIP@nospamHKSTAR.COM>
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Viewed:
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1015 times
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Hello,
> Hi,
>
> Is there a way to remove a program from the memory of the HB
> without downloading the PCode? , for example i have two programs in memory,
> and i want to remove only one of them, is it possible?
Using "unload filename.c" to unload any program resides in the memory.
> Also i am looking for a way to use 2 or 3 electret mics to make the
> robot follow sounds, I know that is needed a preamp between mic and analog
> input, but I'm not sure about the circuit to be used. Has someone tried
> this?
You can take a look of the book "Mobile Robot -- Inspiration to
Implementation"
It has a circuitry exactly to do this. It uses an amplifier LM386 (very
common one) and
connects the output to A/D pin of port E to detect some sort of patterns.
Best Regards,
Patrick Hui
--00--------------------------------------------------------
Robot Store (HK)
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