Subject:
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Re: RCX serial output? Interfacing to Yost ServoCenter?
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 21 Aug 2004 04:21:00 GMT
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Original-From:
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Mr S <[szinn_the1@yahoo.com]NoSpam[]>
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Viewed:
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1660 times
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To put some things straight,
RIS version 2 is sold with a usb interface to the IR
tower for programming the RCX, version 1.0 and 1.5
used a serial interface. All three versions of RIS are
upgradable to version 2.0 firmware. Version 1.0 RCX
has a connecter for external power. Versions 1.5 and
2.0 do not. All three versions are programmable from
either the serial or the USB IR tower, at least from
the NQC IDE, AFAIK.
It is possible to buy both versions of IR tower on
eBay if you are patient.
There is only one serial interface to the RCX, and
that is the IR interface, unless you write one in
software to use the sensor input ports. The only
reason to not like this interface is if you are going
to be operating the RCX in bright sunlight, which
drowns out the IR interface effectively.
Additionally, the IR port on the RCX can be used to
communicate with devices other than the IR tower from
LEGO. www.mindsensors.com has a few external devices
that communicate via the RCX IR port.
Hope that helps
Cheers
--- Mark Tarrabain <markt@SPAMBLOCK.lynx.net> wrote:
> Joe Strout wrote:
> > You have all been very patient and kind with your • answers -- I hope you'll
> > indulge me one more silly question.
> >
> > Does the RCX have a serial output? I believe I • know that it has a USB cable,
> > and perhaps an IR port, but what about a regular
> serial port of some shape?
>
> Why on earth would you want one? What does serial
> do that the wireless
> IR doesn't?
>
> And actually, the RCX doesn't have a USB port, the
> USB cable connects
> your computer to the IR tower, which then
> communicates wirelessly with
> the RCX.
>
> If you are wondering whether the IR tower has a
> serial connector, the
> one that comes with the RIS doesn't, but I believe
> you can order one
> that does directly from LEGO (you will also need to
> order software to
> work with it). Another option would be to get the
> more transparent
> solution of using an external serial/USB interface.
>
> > > Mark
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Message has 1 Reply:
 | | Re: RCX serial output? Interfacing to Yost ServoCenter?
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| (...) Thanks that does clear things up for me quite a bit. (...) OK, so in theory at least, you could make an IR receiver that would plug into the RS232 port on the Yost ServoCenter, and thereby be able to control 16 (or more) servos or motors from (...) (21 years ago, 23-Aug-04, to lugnet.robotics)
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Message is in Reply To:
| | Re: RCX serial output? Interfacing to Yost ServoCenter?
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| (...) Why on earth would you want one? What does serial do that the wireless IR doesn't? And actually, the RCX doesn't have a USB port, the USB cable connects your computer to the IR tower, which then communicates wirelessly with the RCX. If you are (...) (21 years ago, 21-Aug-04, to lugnet.robotics)
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