Subject:
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Re: Handyboard Serial Communications
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 14 Mar 1997 21:32:12 GMT
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Original-From:
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Stephen Michael <stephen.michael@mciAVOIDSPAM.com>
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Reply-To:
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stephen.michael@mciSPAMLESS.com
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Viewed:
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1664 times
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After parsing the Handyboard mail archive, it sounds like what I need
is the SPI port. Unless someone has other advice, I'll research this
path.
At this point, my overall plans are to construct my 'Bot as follows:
1. Use the Handyboard for motor control, "senses", and basic/instinctive
reflexes. I may also distribute some of the processing work to
(PIC or BStamp) coprocessors. It looks like the SPI port is the best
mechanism for networking the Handyboard and coprocessors together.
2. I would like to reserve a communications channel (for example, the
RS232 port) for interfacing the Handyboard with a Pentium SBC (or
a desktop PC via radio modem). The Pentium will handle the Bot's
higher cognitive functions and maintain a long term memory.
Since my expertise is in the area of software development, I still
have much to learn on the hardware/electronics side. I'm attracted
to the Handyboard because it is very well documented and has a good
support channel (this distribution and the Handyboard page).
Does anyone see any major obstacles with the above plan?
Comments?
Stephen A. Michael wrote:
>
> I would love to be able to use serial controlled boards with the
> Handyboard. Given that it only has one serial port which is used
> for programming, won't this be a problem?
>
> Barry Brouillette wrote:
> >
> > Scott Edwards makes a nice board called the mini-ssc which takes a serial RS232
> > signal and drives 8 servos. You can chain two of these for the capability of
> > driving 16 servos. I've used one and it works quite well and is very small and
> > light. Cost is $44.00 + 5.00 shipping last time I checked.
> >
> > Barry
> >
> > Scott Edwards Electronics
> > 964 Cactus La.
> > Sierra Vista, CA, 85635
> > (520) 459-4802
> >
> > --
> > *****************************************************************
> > Barry Brouillette
> > Silicon Graphics Inc.
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