 | | Re: Need help with NQC
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"Russell Newman" <victoreden@netzero.net> wrote in message news:GtLuCA.38p@lugnet.com... (...) RCX (...) In what way is it misbehaving? When backing up, it only backs up for 3/4 of a second. Is that enough? When turning, it only turns for a maximum (...) (23 years ago, 4-Apr-02, to lugnet.robotics.rcx.nqc)
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| | Re: Discontinuous motion.
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Steve, Here's an "all gear" based solution (minus the chain I used from the drive shaft): (URL) not sure how much gear lash is in the design I came up with, but the thing runs very well (much better than I thought it would). It's been quite some (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Error Message
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Hi. Can anyone help me with a problem I'm having. I'm writing a fairly simple program in NQC and when I compile I get an error saying "undefined variable SENSOR_LIGHT" The line that generates this error is simply: SetSensor(SENSOR_1, SENSOR_LIGHT); (...) (23 years ago, 4-Apr-02, to lugnet.robotics.rcx.nqc)
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| | LEGO's position on third party brick's
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I am looking for information / contacts / polices / licensing that may be required to build and sell LEGO compatible components. Any information would be helpful Thanks JohnG (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) OH! I see! Very clever. I guess I should explain why I wanted this thing in the first place. All the talk last week about building a Turing machine using Lego - and building primitive mechanical computers in general led me to try to build a (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) I've tried that - it jams periodically when the teeth of one wheel meet point-to-point against the teeth of the wheel it's driving. This seems to be because of the strange angle at which the first wheel approaches the second at it initially (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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"Steve Baker" <lego-robotics@crynwr.com> wrote in message news:3CAA6B95.CB1986...ail.net... (...) (A) (...) you (...) rotating (...) You can do this without modifying any gears. To approximate a gear with teeth missing, all you need to do is have (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Yes - that's essentially what I did when I said: (...) I used a large gear to mount the smaller one off-axis instead of the 'arm' you describe - but functionally, it's the same. The trouble is that during the period when the two gears are not (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Thanks - but that's not what I'm after. I want the input shaft to be rotating continuously - and the output shaft to be stationary for some relatively large amount of time - then suddenly rotate for a short time. This cycle should be repeated. (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) No - I *won't* consider hacking away at my Lego parts - however, it may be possible to take that idea and build something that would be similar. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Yes - pretty good stuff. So it looks like I need to find an 'interpretation' of that Geneva Escapement in Lego. (Yikes!) ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (8 URLs) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | RE: PBrick for PalmOS
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I'm really interestied by program the RCX by Palm. But I need to know how to devellope program for Palm. Can you Help me ? nanobapy -----Message d'origine----- De : Till Harbaum [mailto:harbaum@tm.uka.de] Envoyé : mercredi 3 avril 2002 15:53 À : (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | PBrick for PalmOS
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Hi, i finally put up a web page for my PBrick project (Palm RCX bidirectional IR communication). Have a look at (URL) Till (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | RL 2.5 and 2.0 incompatibility
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A cautionary note for situations where RL 2.5 and 2.0 co-exist as in schools which are in transition to upgrading their software. Be aware that if an RCX has RL 2.5 firmware, programs downloaded from RL 2.0 will only go to slot #3. So additional (...) (23 years ago, 3-Apr-02, to lugnet.robotics.rcx.robolab)
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| | Re: Discontinuous motion.
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Bill, This exact same question was posted several months ago but I don't remember the sollution that they came to. This is my Idea: Ok you take two pulleys, pulley (A) is smaller then pulley (B). You then conect the 2 pulleys via a linkage so that (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Rcx Question And Radio Controlled.
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Hi again. I was wondering ?? Can the Rcx be Controlled off the pc via the rcx ? or the Nqc program ? If so how can I boost the range I want to be able to controll the rcx while I am in side the house but yet the robot will be OUT SIDE the house. I (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | MoTeC March: Vote now!
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FUT lugnet.technic Hi all! New month and time to vote for the best Technic MOC in the Monthly Technic Contest - MoTeC. Vote here: (URL) you want to submit your own model for April, read here: (URL) months winner will be announced shortly. /Tobbe (...) (23 years ago, 2-Apr-02, to lugnet.announce, lugnet.build.contests, lugnet.robotics, lugnet.modelteam, lugnet.technic)
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| | Re: Discontinuous motion.
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Great reference, thanks Bill. I had forgotten about the Geneva mechanism. Any interest, Steve? If you'd consider filing the teeth off a gear, how about an honest to goodness made to measure couple of Geneva mechanism parts? JB (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | RE: Discontinuous motion.
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Try looking at the mechanisms at (URL) find this to be a great reference site for basic kinematics. bill -----Original Message----- From: Steve Baker [mailto:sjbaker1@airmail.net] Sent: Saturday, April 06, 2002 12:07 AM To: Lego Robotics Subject: (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Re: USB Tower Software without RIS2.0 install
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The USB tower on my desk has a small tag near the plug which states "Do not plug the USB-tower before the RIS 2.0 CD-rom is installed." And the box arrived with a yellow slip of paper with the same instructions. I do understand the RIS 2.0 SDK (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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