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You can get 1.0 and 1.5 systems on ebay, but there is some risk and the
prices are amazingly high (80-95% of retail). There is not that much
difference between the 1.0 and 1.5 kits, and I recommend the latest release,
because half of it is a software thing, and you know how that goes. If you
have any other technics sets, the difference in parts is minor, and 1.0 plus
the 1.5 upgrade kit (about $25?) gives you more than either kit alone.
The real hardware difference between the RCX's is the 1.0 had a plug for
wall-wart power, which means you can run without batteries. 1.5 RCX's
(which still say 1.0, annoyingly) don't have this socket. Most people here
think that is a bad thing. There is no memory difference or faster CPU or
anything.
Don't agonize over this decision. Get one (or two)!
--Jack Gregory
Eric Harshbarger <eric@ericharshbarger.org> wrote in message
news:G124o9.2F2@lugnet.com...
>
> I have a similar question to Tim's. I'm finally gonna buy a Mindstorm's
> Invention Kit. Is it possible to find 1.0 RCX still? Where can the best • deals
> on Invention Systems be found?
>
> thanx,
>
> eric
>
> In lugnet.robotics, "Tim Hatch" <vbq@myrealbox.com> writes:
> > Hello, Everyone:
> >
> > I'm interested in purchasing an RCX, but from what I've read the 1.0 is =
> > a lot better than the 1.5 (and since they're still giving the upgrade =
> > kits free, what's the difference?). Can anyone explain the differences =
> > between the 1.0 and 1.5 (extra parts, more RAM, etc.), along with =
> > suggestions on where to purchase each (Shop at Home?). I'd like to be =
> > able to use it w/ my Palm, so IR compatibility matters.
> >
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