 | | 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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| | RE: Wot no RCX power connector?
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(...) I don't think so - it looks the same shape as the pictures of RIS 1.0 RCXs I've seen. I doubt they would change the external shape as it would cause problems with plans in expansion kits etc. I expect there's just a lot of empty space inside. (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | new pieces (was Re: Wot no RCX power connector?)
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From: "Jesper Kjaer" <jesperkj@vip.cybercity.dk> (...) Any idea what the blue brick 4 rows down in the last column is for? It looks very strange. The double yellow connector (3rd column, 12 rows down) is kind of interesting as well. I don't think (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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(...) When will it be on Amazon? -Luis "anxiously awaiting Ralph's pearls of wisdom" Villa ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: Wot no RCX power connector?
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(...) HaHaHa - What about the one Dave Baum developed NQC on, and the one you used for LegOS, and the one I used for pbFORTH? I'll bet they would sell as a matched set. I can see it now...... I guess if Kennedy's golf clubs are worth $750,000 these (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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Thanks very much for posting the scan of the 1.5 bricks. It's helped answer questions we've all had about what "new" stuff would be included. Of course, now we all want to find out exactly what some of them do! I suppose asking for scans of the new (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: new pieces (was Re: Wot no RCX power connector?)
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(...) They use it to connect sensor mountings to the robot chassis in the Constructopedia robots. The chassis and sensor array each have one of those blue things, and they are locked together by the double yellow connector, which can be inserted (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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Well, I was about to ask if someone wanted to write up a simple fixed-point tutorial for my web site (it's a little sparse and could use some articles like this). However, I knew 90 people would come out of the woodwork to point me two tutorials (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | IR problem
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Hi, I have tried Max Davies irint.icb, ir.c and test.c files, and I'm having problems, after the file test.c are running, I press STOP, and before I can use the remote, the HB make the beep, and print the data as if data were received, any time I (...) (26 years ago, 17-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Wot no RCX power connector?
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I wonder what's in the 1.0's with the 1.5 sticker on the front? KL (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | new pieces (was Re: Wot no RCX power connector?)
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(...) I'm not sure if this was in the Contructopedia for the RIS 1.0 - but there is 2 pages at the end that shows how to use it - a final pic is here: (URL) description says: This is a prototype so that the inventorbot can move forward and turn (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: new pieces (was Re: Wot no RCX power connector?)
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Wow! Those look incredibly useful, especially for the mechanically impaired. Can they be bought separately? -Luis (...) ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: new pieces (was Re: Wot no RCX power connector?)
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Thanks for the scan. OK, so we got a slip disk (4th column, 6th item) - very nice. The RDS has one of those, too. So does the Technic motor set. The blue connector (5th column, 5th item) is used in other sets as a quick-connect brick for modules. (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: new pieces (was Re: Wot no RCX power connector?)
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Never mind... to answer my own question, and for those of you who are interested- (...) ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: Wot no RCX power connector?
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(...) It's exactly that - a RIS 1.0 with a sticker on the front. I just got one, and it's the original kit of parts and an RCX with the power connector. The reason for putting stickers on old boxes is to avoid stalling sales from people who really (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: new pieces (was Re: Wot no RCX power connector?)
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(...) A-ha! I was wondering whether any set apart from the motor set would ever have one of those. (Vague thought - did someone say one of the bigger retail Technic sets has one too?) I wonder why don't they sell them in a service pack?! Hmmm... (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Sharing variables and using expressions (was Re: NQC 2.0 and some math questions
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I have discovered a somewhat non-intuitive feature of NQC (in my version, at least, which is pre-2.0) The statement: var = (20 * var) / 21; gets compiled into the following: MUL var, 20 ; var = var * 20 DIV var, 21 ; var = var / 21 rather than the (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.nqc)
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| | Re: Wot no RCX power connector?
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I'm certainly glad I picked up two when I did. Without the AC adapter, there's no way I could have setup the webcam at (URL) thing is on 24 hours a day. Oh, and it also has no batteries in it whatsoever, and I haven't had a problem with turning it (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: new pieces (was Re: Wot no RCX power connector?)
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(...) I've uploaded all 4 pages (each around 150 KB): (URL) for the new bricks - well they are in the upgrade kit ;-) - but my best guess is that they might be in some sort of service pack too for next year - the differential is - but the new ones (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RE: new pieces (was Re: Wot no RCX power connector?)
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These connectors are also available in kits like #8252 Beach Blaster, where they are used to "plug and play" different suspension/wheel configurations. Reasonably stiff for what they are, and I think they would make good attachments for light (as in (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | pbforth questions
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My 15 year old son is into legos big time. He has asked for the Lego robot package. I developed in Forth many years ago and I am just getting back into it with Forth Inc.'s SwiftForth for Windows. I have enjoyed messing about with it but what I am (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | RCX-enhanced egcs
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Hello, I just posted the final RCX interrupt handling patch for egcs. There is no need for wrappers anymore. Interrupt handlers can be declared like this now: void handler() __attribute__((rcx_interrupt)); void handler() { // do stuff } For a leaf (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.legos)
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| | 0.2.0a patch
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Hello, apparently I introduced a glitch when adding last-minute support for non-patched standard egcs. This and a broken symlink in the archive prevented dllback from compiling on the host. A patched version of legOS is available on (URL) for the (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.legos)
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| | Re: Wot no RCX power connector?
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(...) Hah. Mine has a power connector. It's sitting on my desk, light as a feather, with no batteries whatsoever. Now, if I could stop tripping over the DC cord... (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | RILYBOT 4 (was Re: show-me training
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I now have a robot working using the intuitive training principles I described about 6 weeks ago in this thread. This robot will be at Mindfest. Here are the web pages describing what I've done so far: (URL) here is the current NQC program: (URL) (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | Re: new pieces (was Re: Wot no RCX power connector?)
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(...) Yeah, but until LEGO releases a soldier minifig and a leatherman minifig, I'll never be able to model the Village People! Come on, TLG, where are your priorities? (oops, sorry -- only slightly way off-topic.) - Robert Munafo (URL) LEGO: (...) (26 years ago, 19-Oct-99, to lugnet.robotics)
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| | serial input?
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Is the handyboard capable of serial input (other than for downloading)? How can I do this? Thanks, Keith@spidersoft.org (26 years ago, 19-Oct-99, to lugnet.robotics.handyboard)
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| | additional pbforth questions
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Does pbforth run under dos or windows on the PC? Does it use blocks or dos/windows file system on the PC? Does it use blocks in RAM on the RCX? If I program directly on the RCX can I upload the programs to the PC for further development? In using (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | RE: additional pbforth questions
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Hmm, this is the kind of message I should use for FAQ fodder... (...) You can run it either way. The original intent was to use the dumbest tool possible to interact with the RCX. For DOS this is Procomm Plus or some such tool, for Windows its (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | FW: RCX Firmware and SP
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-----Original Message----- From: Sergey Udovenko [mailto:udovenko@bluewin.ch] Sent: Tuesday, October 19, 1999 5:56 PM To: Ralph Hempel Subject: Re: RCX Firmware and SP Hi Ralph, I'm just yet another hobbyist, so nothing is special about my plans. (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | PSU robot contest Sat Dec 4, 1999
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Hi All, Penn State Abington will host the second annual Robo-TrailBlazers autonomous robot contest on Sat Dec 4, 1999 at 3pm. The contest is open to all students (and even a few non-student types) as participants. (The contest is HandyBoard and (...) (26 years ago, 19-Oct-99, to lugnet.robotics.handyboard)
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