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That's terrible! I've found the AC adapter plug to be very useful. We use the AC adapter port primarily to conserve batteries while programming/testing our RCX. I also once tried to avoid having to re-download the firmware and my programs by (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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Did you buy a second RCX, or a second RIS? (The RIS is the big MindStorms set; the RCX is just the "programmable brick." You either got a great price on the RIS {salivating} or a lousy price for the RCX ... --Doug Wilcox -----Original Message----- (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) It still says "RCX 1.0" on it. It appears identical in all regards to pictures I've seen online, except the end opposite the IR transceiver is totally smooth and blank, and there are two extra studs on top above where the socket was. That end (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) I'm not sure if its worth complaining about...operationally its still the same product even if you can't plug it into a wall wart. I'm more concerned with any changes to the ROM. Perhaps Kekoa can shed some light on this if someone was to ship (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Mindstorms available in the Netherlands ?
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Is mindstorms available in Europe ? Even more specific in the Netherlands. What does it cost ? Thanks, Jan. (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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Sorry for the imprecision. It was the RIS (the whole kit with the few new pieces). Mike The WordMeister <lego-robotics@crynwr.com> wrote in message news:01bf1a3a$3fad23...ici.net... (...) price (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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What new pieces are there in the RIS 1.5? I don't suppose maybe a second differential gear? No, probably not... Was there anything really glaringly useful? -Andy Lynch Mike Kory wrote in message ... (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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Ralph Hempel wrote: [ good rebuttal snipped ] (...) Actually, I went through two years of a systems engineering degree. (before finally dropping out) During that time I had many semesters worth of math and CS... however, not one of them went over (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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(...) I doubt there will be significant changes to the ROM. For starters, if somebody has both an old and a new RCX, try downloading the old firmware into the new RCX. If it works, the ROM interface is the same. If the ROM interface is the same, it (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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(...) Wait a minute... Doesn't the RCX hold its firmware across the auto power down? I thought it did. That being the case, all you'd have to have done was turn it back on, no? -Kekoa (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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No, while the RCX is in an "off" state, the firmware is maintained via a trickle current (something like the CMOS registers in an personal computer) supplied by the batteries. When one removes the batteries, the firmware and any stored programs are (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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(...) [snip] (...) I wasn't them... I was involved with the control system algorithm development and analysis. This bunch was definitely not using a tool -- they were doing it all by hand. I'm sure they were not doing it right either because (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) I've read that the end where the power connector was is "thinner" which is OK since the connector was mounted on the component side and would have added to the hight required. The "smoothing caps" could be eliminated in a battery only design, (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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I've changed batteries often and have never lost anything. I turn the unit off and swap the batteries quickly. Mike (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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(...) I've done simulations on spreadsheets and simple scripting languages when it was too much bother to get the C compiler running properly.... (...) Oh Oh, don't tempt me. Cheers, Ralph Hempel - P.Eng ---...--- Check out pbFORTH for LEGO (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) Hi all - I'm new to this list - why? - I just got my RIS 1.5 last week (RIS 1.0 was never available in Denmark - as far as I know) - someone in RTL asked me for a scan of the new lego's in the RIS 1.5 - so I uploaded a scan here: All bricks: (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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Was that a 1.0 or 1.5? I'm hoping it's just the 1.5's, since there are still 1.0's around. I can't believe there wouldn't be an option for wall power (even with a funky idiot connector to prevent overvoltage). What about models that have large (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) Actually, there's a ton of space left in the ROM, I wonder if they ADDED anything useful, like a real OS kernel :-) <<<<< I suspect they had to leave it alone, sadly. They have to maintain both forward and backward compatibility, otherwise (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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(...) Interesting enough, I once withdrew the power connector on a unit under full load - sensors, motors, everything on - because the task manager had gone into an endless loop. After duly waiting a couple of seconds, I reinserted the plug. Blue (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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(...) It was a 1.5. I wonder what you get if you order a separate RCX now? I would hope ones with a power connector would still be in stock. (26 years ago, 19-Oct-99, to lugnet.robotics)
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