Subject:
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Re: Hardware mods to the RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 27 Oct 2002 15:39:04 GMT
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Original-From:
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Matt Lawrence <MATT@TECHNORONIN.COMspamcake>
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Viewed:
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1096 times
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On Sun, 27 Oct 2002, Stef Mientki wrote:
> FDTI chips are very easy to use, look at
> http://www.dontronics.com/dlp.html
> or
> http://www.ftdichip.com/
Those are WONDERFUL links. Thanks!
> Maybe there some usefull links at the next page under the block
> "Mindstorms Internals"
> http://oase.uci.kun.nl/%7Emientki/Lego_Knex/Lego_mindstorms_knex_index.htm
I had only found a couple of those, the others look very useful.
> Replace the IR components by a serial connection won't be difficult,
> because IR sending is just modulated RS232 and receiving is even
> demodulated in the IR-receiver component, so it's RS232.
> The most difficult part will be to modify the firmware to handle the
> higher frequences.
Actually, I was hoping to leave the existing IR circutry in place and just
switch it out when a cable is connected. That should give me backwards
compatability. As far as the firmware, I expect to be writing my own code
in Forth, so shifting gears shouldn't be a problem. I used to be an
embedded systems programmer, so dealing with the H8 looks like fun.
-- Matt
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Message is in Reply To:
 | | Re: Hardware mods to the RCX
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| (...) FDTI chips are very easy to use, look at (2 URLs) I'm thinking about using the power from the (...) Maybe there some usefull links at the next page under the block "Mindstorms Internals" (URL) the IR components by a serial connection won't be (...) (22 years ago, 27-Oct-02, to lugnet.robotics)
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