Subject:
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RCX and GPS systems
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Fri, 11 Oct 2002 15:11:38 GMT
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Viewed:
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2568 times
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For sometime I have thought that a GPS interfaced with the RCX would be the
answer to my navigational prayers. I have not found any information on an
interface for the RCX (GPS-RCX or GPS-PC-RCX). I realize that this is not a
trivial task with proprietary protocols being involved and all. I did find
a nice bit on Garmin's site regarding their protocol etc. The physical
layer seems to based on a version of RS-232 (positive voltage only). Also,
data can be transmitted in ASCII at the data level.
Here are the links:
http://www.garmin.com/support/pdf/iop_spec.pdf
http://www.garmin.com/support/text_out.html
So has anyone tried working on this, or is it that difficult/expensive that
it may not be worth it? I myself do not have the know how to pull all this off.
JL
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Message has 3 Replies:
 | | Re: RCX and GPS systems
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| A big question is if the positioning resolution you could achieve would be worth the cost or effort. The GPS hardware I've seen tell you where you are within a few yards. Unless you can get that down to a few inches what's the point? Plus you still (...) (22 years ago, 11-Oct-02, to lugnet.robotics.rcx)
| | | Re: RCX and GPS systems
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| (...) Also see the ACE-II from Trimble which could be powered and output directly to the normal sensor plugs; and can be run slow enough for it to nor be a problem to read. However... you are going to have issues with resolution and reception. (...) (22 years ago, 11-Oct-02, to lugnet.robotics.rcx)
| | | Re: RCX and GPS systems
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| (...) It might be possible to run an IR transmitter directly off it, IIRC John Barnes posted a circuit diagram for that a while ago (he might also sell these things). Then you only need the software, where you need to send/receive single characters, (...) (22 years ago, 11-Oct-02, to lugnet.robotics.rcx)
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