 | | Re: New RCX sensor: Wire guidance sensor
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(...) Huh! Well - if only I'd done a web search I'd have known that! (URL) it works, it's not a bad deal at $199. ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) (23 years ago, 8-Jan-03, to lugnet.robotics)
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| | Sumo-bot Four scheduled and new official rules posted.
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You have been challenged to a sumo-bot wrestling match that will occur on Saturday, January 25th., 2003 at 2:00 PM. The location for this event will be in Ann Arbor, Michigan. The official sumo-bot rules have been updated to reflect recent (...) (23 years ago, 8-Jan-03, to lugnet.org.us.lrgoaa, lugnet.org.us.michlug, lugnet.robotics.events, lugnet.org.us.laflrc)
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| | Re: New RCX sensor: Wire guidance sensor
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(...) I don't know what principle it works on, but Brookstones was selling a autonomous robot vacuum cleaner recently. It was in the store I was in before christmas. -Kyle (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: H-bridge for PDA?
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(...) I have an E-125 and it will take a little more than a simple H-Bridge. Though I agree, it would be a fine platform for doing robotics. One idea that we've been playing around with at Hangar 18 is swarm computing. What the basic idea is to use (...) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Brick Constants in NQC/Bricx
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Are there predefined constants generated by Bricx or NQC that identifies the Brick (RCX, SCout ...) to wich the generated code is targeted for? It would be really usefull to write "multi-Brick" code in a single source trough the use of #ifdef. Paulo (...) (23 years ago, 8-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Yeah - well - "most" OS's: DOS, Solaris, Irix, Linux, FreeBSD, BeOS, OS-X.... :-) ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | H-bridge for PDA?
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Since the end of story there - I wonder if not would be possible to make a lego robot out of a CASIOPEIJA PDA or something the only thing that is needed is some H-bridges for motor driving? (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: user created programs
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(...) Looks like a good start. I'm particularly interested in the details of what the controller sends out to the brick under the different states it can be in (remote vs action mode). (23 years ago, 8-Jan-03, to lugnet.robotics.spybotics)
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| | Re: user created programs
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(...) Ralph's book is not very technical, but does have some wonderful basic to advanced information. I am working on the following page: (URL) when this is a little more complete, it will be of some value to you. Steven (23 years ago, 7-Jan-03, to lugnet.robotics.spybotics)
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| | Re: New RCX sensor: Wire guidance sensor
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hi Philippe, (...) Unfortunately, I think you're right :-( But if you never shoot, you won't hit anything. Stef Mientki (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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"Philippe Hurbain" <philohome@free.fr> wrote in message news:H8C9HB.6qJ@lugnet.com... (...) the (...) with (...) be (...) Seeing this get me thinking of the lawnmower that my father has. It made by Husqarna (a Swedish company) and it is a fully (...) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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(...) Actually the first vehicle I used to test this sensor is a rack-and-pinion steered car, see a short video (Divx3) here: (URL) This is what I did with my SteerBot as well as (...) Documentation is also why I used a standard roverbot to (...) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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Hi Rob and Ross, (...) Sorry, I have neither time nor structure to do that... (...) I hope so ! (...) I have not tested that (my longest track is about 5 meters), but as actual current is fairly low I think that wire can be quite long. I used thin (...) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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Hello Stef, (...) Thanks ;o) (...) That might work, but getting a high enough field to be detected and be immune to external sources (including earth magnetic field!) would require a LARGE current, not very practical... Philo www.philohome.com (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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This is beautiful! I, too, have been inspired by the cars driving around Legoland (though in California and Denmark) but my solution has been to use the light sensor on a visible track. It occures to me that it would be very easy to adapt your (...) (23 years ago, 7-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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(...) Maybe John Barnes would be interested in doing something with this? One other question - do you have any idea how long can the wire can be with the AC generator you built? Regards ROSCO (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: New RCX sensor: Wire guidance sensor
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very good application-idea Philippe, and nicely implemented ! Looking at your idea, brings me on another idea. Shouldn't it be possible to build another wire-follower, consisting of just 1 wire, fed by a DC source and a measured with a Hall-sensor? (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) When did I say that? Talking to a parallel port in C is easy in most OS's. ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Those sound interesting - I did a Google search and turned up several of them on web sites in Germany - nothing much in the USA - and no indication of prices. However, they claim to produce up to 14Kbaud data rates and they have a nice simple (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) My aging Agenda PDA does integer work at about the speed of a 100MHz Pentium. Floating point performance is terrifyingly slow though. Since the Agenda is a couple of years old now, I'd expect PDA's to be two or three times faster by now - so (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: Spybot Promotional Materials?
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"Rob Doucette" <lego@nospam.doucettenet.com> schrieb im Newsbeitrag news:H89F2M.LKJ@lugnet.com... (...) insight (...) Yes I have seen it in action. This is the setup I wrote about in the other thread: "Controller Channels" Reg. Matthias (23 years ago, 6-Jan-03, to lugnet.robotics.spybotics)
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| | Re: New RCX sensor: Wire guidance sensor
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Thats amazing! I'm impressed. When are you going to mass produce for the world market? -Rob "Philippe Hurbain" <philohome@free.fr> wrote in message news:H8B9FH.Jvq@lugnet.com... (...) track. (...) be (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | New RCX sensor: Wire guidance sensor
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Inspired by vehicles moving precisely along the roads in Miniland, I have created this homebrew sensor, which allows a RCX robot to follow a wire track. Since distance between sensor and wire can exceed 1 cm, the wire may even be hidden below (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: Can't run software
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"Bill Lane" <lane@pipeline.com.au> schrieb im Newsbeitrag news:H8A341.L5K@lugnet.com... (...) the (...) was (...) bit (...) the (...) display (...) But it gives me a good clue what is wrong. Our installation runs fine at 1024x768, 32Bit. So that (...) (23 years ago, 6-Jan-03, to lugnet.robotics.spybotics)
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| | Re: How can I get a Mindstorms Ultimate Accessories Kit??????
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Thanks for the kind offer, but it recently became available online again for Canada, I ordered it (by phone... I HATE that) from Lego.com sunday. However, they sure do take their sweet time to ship it to me... (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) It's actually worse than that since 56k is only 33.6k upstream unless you have a special line. Most ISP's have these special lines giving their customers 53k/56k downstream. The 53k limit is an FCC thing imposed on older modems that was lifted (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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Speaking of PDAs, specifically Pocket PC's, the HP iPAC 5450 has Consumer IR, will that automatically take care of the comm thing with the RCX? Then I guess that would be ideal, tho expensive ($700 in Sweden). But that's provided there is a (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: makedepend variable in Makefiles
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Investigating into this further, apparently from the comments in CVS, a change was made to the makefile in legOS\boot (Rev 1.2) and legOS\demo (Rev 1.2) some three years ago. The comment stated "replaced makedepend by MAKEDEPEND". But no similar (...) (23 years ago, 6-Jan-03, to lugnet.robotics.rcx.legos)
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| | RE: A Generic Idea
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(...) Oh, that's about 2% of the price i am paying. Can you please provide a source for this? Thanks, Till (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: user created programs
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"Mark Ferris" <markdf2001@yahoo.com> wrote in message news:g59e1v0qegpg0ol...4ax.com... (...) Well, I am one of the people who has stayed away from them despite following this and other lugnet groups, and having several RCX's (and DSDK, DDK). There (...) (23 years ago, 6-Jan-03, to lugnet.robotics.spybotics)
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| | Re: A Generic Idea
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(...) Sigh. I wish you would read the rest of my message and discover that I address that issue(!), instead of chopping the messages up into neat pieces which you can "deal with". (...) See? (...) Who talked about live video? I was talking about (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) I summarized neatly too, while he got into the intricacies of DTMF and Phreaking in the 70s... :D (...) It wasn't a generic solution, it was a generic idea. The generic cel phone would provide a generic link to any generic PC in the world. You (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: How can I get a Mindstorms Ultimate Accessories Kit??????
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(...) In Lego.com, there seem to be availability problems in the U.S. and Canada, but it is still available in Europe. And in New Zealand, they are accepting orders to be shipped by Jan 27. Don't give up hope yet! =8D (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: How can I get a Mindstorms Ultimate Accessories Kit??????
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I don't know where you are located, but the local Fry's in Oregon (Fry's is a large electronics shop) has shelves full of them (except for the one at my house, that is). I was surprised to find them, but they must have dragged them out of a (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | RE: A Generic Idea
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Steve Baker summarized neatly: The big design issue is whether to have the brain near or far. If far, you need more communications bandwidth, but you can have a mongo brain. If near, you can minimize your investment in communications overhead, but (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: Can't run software
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Hi Matthias, Thanks for your reply! It didn't actually solve the problem. But it did get me looking again and going over the options. The good news is that the software is now running and we can access most of the features. So what was the problem? (...) (23 years ago, 6-Jan-03, to lugnet.robotics.spybotics)
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| | Re: A Generic Idea
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(...) That struck me just as I left to visit my father - someone's gonna have to program the thing ... ;) Well, I guess you'd just have to buy the PDA with the most open architecture. And the first (maybe only!) language you'd see would most likely (...) (23 years ago, 6-Jan-03, to lugnet.robotics)
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| | Re: workaround.patch for h8300-hms-ld crash
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(...) No problem. Stupid lugnet server stripped out the attachments. Here is the patch, both attached and inline. BrickOS maintainers: How about applying (some ideas from) this patch? Max Index: Makefile.user ===...=== RCS file: (...) (23 years ago, 6-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: Transmitting time USB vs serial
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(...) Michael, I tried your programs on Windows and Linux. On Windows 98 the USB tower takes about one second to reply (990 - 1100ms). On Linux it took about 9 seconds as you indicate. This looks like a problem with the Linux USB driver. I will ask (...) (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.java)
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| | Re: A Generic Idea
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(...) Yes - but when they install ISDN or DSL on your line, they switch out some electronics at the telephone exchange - remove some line filtering, pull out the digital part of the stream from the analog part, etc, etc. If you just have the audio (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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