 | | Re: Cybermaster faults
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Hello, Did you only buy the mobil unit or did you get another tower with it? The two unit could have different fequencies. The cybermasters I have both have 26650 and 26950 MHz crystals. (or something like that). Lars Gertsen - Denmark "mick (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Yeah - but the amount of CPU horsepower to do that (on the robot remember) is comparable to the horsepower you'd need to extract the edges and do some simple image recognition. So why transmit the image at all? (...) Yes - but they don't (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Spybot Promotional Materials?
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Has anyone seen these before: (URL) appear to be promotional materials for the Spybotics sets. Any insight would be appreciated, -Rob. (23 years ago, 5-Jan-03, to lugnet.robotics.spybotics)
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| | RCX I/O extension
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hi there, as you may know, the RCX contains only 3 inputs + 3 outputs. and if you ever tried to build a real robot with it, you may also know that this is far from sufficient. to solve this problem, we built some extension called LEPOMUX. it uses on (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Yes - using the RCX as a fairly dumb motor controller and sensor input device makes a lot of sense. I've been doing that with the (even more primitive) Scout computers using the RCX as the 'brain'. (URL) modern PDA would make an excellent (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Snaptrax tracks
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Hi there, I am just wondering - Snaptrax, the Spybotics tracked thing looks like it has longer rubber treads than treads included in RIS. Is it true or not? I tried to build treads with similar design and it looks like there's much more friction (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: LNP problem
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(...) This works in deed! Thank you so much Michael! No way I would have found this myself. BB (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: LNP problem
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(...) Ok. This is indeed the result if you run the original LNP package. There are several problems with your sources, too. So try the following to get things done: First, go to the lnpd subdir and edit rcxtty.c. In function tty_init you find a line (...) (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: LNP problem
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(...) Thanks. Too bad it doesn't work, but at least now I know it's not me :) Please let me know if I can be of any help. BB (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: LNP problem
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(...) I know that this won't help, but I tried your program (and the lnptest.c program from the lnp distribution) and got the same errors. No message came through, only frame errors. Will have a closer look at this. Regards, Michael (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: LNP problem
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(...) You are right, that would have probably given me a segfaut if the handler would have ever been called, but it isn't. Even a single, static printf in the handler doesn't work. What worries me are the error messages lnpd reports: (...) (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: A Generic Idea
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(...) There's a caveat you miss, it is limited using the forms of modulation that modems use (ie FSK derived). For example ISDN uses a different sort of modulation (ie Q-modulation) and it does 128k over the same phone lines. I use ISDN to connect (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Well, to find outline of objects you'd need a low-res (easy to simplify and automatically filters out irrelevant details), color (to avoid two objects of the same material getting their outlines fused together by the image processing (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) "All ideas are stupid until someone proves they work." :D No, I've been thinking the same thing. (So it can't be stupid haha). A PDA with built-in webcam (and mike) + hotwiring an RCX input to a serial port on the PDA would probably be the (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) Hmm I chose cel phones because they are pretty standard products (unlike Radio links etc), simple to use (few presses) and so on, but of course, any link to a unit with memory/cpu could be an expansion... (...) ...Like an IR link to another (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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Thanks for all the modem input guys, but I think you're getting too ambitious! The communication I was thinking of would consist of maybe dialling+10 button presses on the cel phone. The other end would be waiting for these combinations, just like (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: user created programs
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"Steven B. Combs" <stevencombs@yahoo.com> schrieb im Newsbeitrag news:H87J0K.31I@lugnet.com... (...) my (...) the (...) $40??!! 63 EUR was the best we could get here at a distributor. Regular price here is $80 (23 years ago, 5-Jan-03, to lugnet.robotics.spybotics)
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| | Re: Can't run software
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"Bill Lane" <lane@pipeline.com.au> schrieb im Newsbeitrag news:H86Gw9.7x@lugnet.com... (...) Where exactly does this come up? Try to skip the intro with sapce. Uninstall Quciktime and reinstall it. SpySetup might have failed installinng QT I would (...) (23 years ago, 5-Jan-03, to lugnet.robotics.spybotics)
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| | Re: LNP problem
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(...) What about ptr = (char *)&temp; Regards Michael (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: A Generic Idea
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Nick Tarleton wrote: > I don't know how fast the speaker can change frequency > or how soon it can be reacted to, so I can't get a bandwidth estimate. The telephone system can (at best) transmit at 56Kbaud (that's the speed of the fastest possible (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | LNP problem
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Hi, I'm just getting started using LNP, read the howto and tried to play around with the examples therein. However, somthing goes wrong. I have a little programm on the RCX increasing a counter every second, displaying it's value on the lCD and (...) (23 years ago, 5-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: A Generic Idea
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(...) The problem is that the 27MHz frequencies are fairly tightly restricted in some countries. Here in the US, it's pretty much open-season, it's used by CB radios, radio controlled models - and various toys. However, in other countries (the UK (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) You could use an alternate firmware that can generate any tone, a custom modulation-demodulation protocol, and a condenser microphone soldered onto a sensor wire to send at reasonable bitrates for robot communication. Of course, it would take (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: BrickOS & LinuxUSB & lnpd
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Hi, I would like to get your patches to make the tower and lnpd to w ork. I already have the tower working but I would like to see if did an ything different. So can you please send me your patches? (X) the patch to legotower.c to get the (...) (23 years ago, 4-Jan-03, to lugnet.robotics.rcx.legos)
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| | Re: A Generic Idea
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"Steve Baker" <lego-robotics@crynwr.com> wrote in message news:3E171F4A.400050...ail.net... (...) :) (...) inventions (...) I'm (...) IR-connected (...) enough (...) would (...) processing. (...) legally (...) country. (...) at (...) Ok, if radio (...) (23 years ago, 5-Jan-03, to lugnet.robotics)
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| | Re: A Pet Idea ~/\~~/\¤
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Hummmm, Henrik that was a nice idea for my two cats :) I've allready made a modified rover that can be found here: (URL) can also download my modified RIS program there. But the cats always attack the wires on it. Your idea with an tail sensor and a (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | Re: RCX simulation
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(...) (23 years ago, 4-Jan-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | RCX simulation
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hi All, does anyone has experience with this RCX simulation tool ? Stef Mientki (23 years ago, 4-Jan-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | Re: user created programs
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(...) Let me know when you have your first mission complete and I will create an area on BimP for us to begin using. I think this will be a great resource for Spybotics users. (...) I think the fact that you are limited to only the motors and senors (...) (23 years ago, 4-Jan-03, to lugnet.robotics.spybotics)
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| | Re: Spybotics Programmable Controller Internals
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(...) and see if there is any need to continue my project. Steven (23 years ago, 4-Jan-03, to lugnet.robotics.spybotics)
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| | Re: A Generic Idea
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(...) Yes - but these are computers - they can send each other messages in binary - you only need two buttons really. Dunno how a computer could recieve text messages though. Email would be better...but still very slow. (...) You can't generate DTMF (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | Re: Spybotics Programmable Controller Internals
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(...) There are two .pdf files in the LegoMindstorms 2.5 SDK that have tons of information on the Spybotics. One is the LASM bytecodes and the other gives a ROM overview of the mission system. The SDK can be found at the following link: (URL) (23 years ago, 4-Jan-03, to lugnet.robotics.spybotics)
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| | Re: A Generic Idea
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(...) email (...) I didn't really think about text messaging - pressing buttons multiple times to enter code words could get tricky. (...) I was thinking more along the lines of using the RCX's builtin beep codes - though I just realized that (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | Re: user created programs
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(...) I like that idea. In fact, I've just recently discovered BimP. I'm working on some NQC ideas as well as missions created through the Spybots program. I must say I'm a bit surprised that there isn't more activity on Spybots since it appears (...) (23 years ago, 4-Jan-03, to lugnet.robotics.spybotics)
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| | Re: A Generic Idea
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(...) Text messaging is cheap in most countries...and if your phone can send email (mine can) then you can get the message directly into your PC. (...) Modem tones? I guess so - but you'd need to build some electronics to do that - and it might just (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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(...) It's even more than that really. Sending live video over IR really isn't feasible - there isn't anywhere near enough bandwidth to do that. What you *REALLY* want is to have enough on-board CPU power in the robot to process the images locally - (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | A Pet Idea ~/\~~/\¤
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I have a cat and a dog (Welsh Terrier) and one of my goals with Lego Robotics is to make a Rover which is fun for my pets. I got a simple idea of how to make the Rover detect a moving object (like a pet). You need RIS, build the Roverbot with the (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | Re: A Generic Idea
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I don't know about other places, but here cell phone service is expensive to use as a robot communication method. Perhaps a "personal radio" (They have a range of about 2 miles) would be better, and data could be transmitted through tones. ----- (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | BrickOS Multithreading
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Hi, I did some research in my free time at the public holidays :-). So the questions do we really need a real multithreading??? In my constructions I never used threads with the same priority, because it doesent make sense to turn on a motor and 20 (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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| | A Generic Idea
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The Vision Command camera was great - until you discovered it had a cord :) and thereby understood that Lego *faked* the robot in robotics inventions commercial...) This is my very first post and so I don't know if this idea is new, but I'm (...) (23 years ago, 4-Jan-03, to lugnet.robotics)
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