 | | Re: lnp adressing
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(...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | New AFOL
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Hi, I've been lurking on lugnet.robotics for a couple months now, with just a few odd comments here and there. You're probably wondering who the heck I am. Well, I'm a new 40 year old fan of Legos. Although I've been an admirer of legos all my life, (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Competition III Web Cast
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The Robotics Competition at Ivy Tech State College in Evansville Indiana is going to be web cast on Friday 5 April from 12:30 to 3:00pm Central Standard Time. To view the "Search and Destroy" competition, point your browser to: (URL) general (...) (23 years ago, 4-Apr-02, to lugnet.loc.us.in.eva, lugnet.robotics)
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| | SouthWest Indiana Competition III (Search and Destory) Web Cast
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The Robotics Competition at Ivy Tech State College in Evansville Indiana is going to be web cast on Friday 5 April from 12:30 to 3:00pm Central Standard Time. To view the "Search and Destroy" competition, point your browser to: (URL) general (...) (23 years ago, 4-Apr-02, to lugnet.robotics.events)
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| | lnp adressing
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I've saw that if i change the HOSTADDRESS in the config.h, I then I can't download new program cause legOS programm trasfer use the lnp adressing message .... Anyone have a solution ? I've remark (i think) that legOS don't take message that the (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: Robot Ant and Data logging
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(...) Hi Mike, Unfortunately there is no possibility under Robolab 2.5 that the RCX might itself access the data collected in the log. Robolab 2.5 is based on LEGO-firmware 2.0, which has many new features, but not this one. If you want to do your (...) (23 years ago, 4-Apr-02, to lugnet.robotics.rcx.robolab)
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| | Re: Discontinuous motion.
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I've uploaded a simple detent mechanism which can be used to stop shafts creeping round when they're not supposed to. The only drawback is it can get rather noisy :) (URL) black shape at the top is supposed to represent an official Lego rubber band. (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | lnp addressing communcation
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Does someone can send me an example of LNP adressing message with 2 RCX ? I have some problem with it !! nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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Steve, If the precision is due to the axe slipping while not being driven, you could consider using a pully off a micro-motor. It has a friction slip mechanism at one end, and an axle hole at the other. You could use the axle hole to stablize the (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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Nice work! Could you potentially use a ratchet mechanism or maybe a step motor set up (with a rubber band) to help with the "coating" problem? Jona ----- Original Message ----- From: "Steve Baker" <sjbaker1@airmail.net> To: "Kevin L. Clague" (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: RIS parts questions
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There's an older version of the black pegs that are even tighter. Too tight, in my opinion, so I've set the few that I have aside. You can easily tell the difference- look at a regular black peg. It has short lengthwise ridges on the ends about 2mm (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: RIS parts questions
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(...) The black ones fit tightly into the holes in various Lego parts - the grey ones are a looser fit and spin freely. Use grey pegs to fit parts that will rotate relative to one another - use black ones otherwise. See this for more details about (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: LEGO's position on third party brick's
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(...) I believe that the patents on the basic brick/stud technology expired quite a few years ago - so you may just be able to do it. However, there are patents on lots of the *other* Lego components - so beware if you are planning more (...) (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Re: RIS parts questions
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(...) What is the difference? (23 years ago, 4-Apr-02, to lugnet.robotics)
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| | Robot Ant and Data logging
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HI, I am building a robot ant and using a light sensor to detect lines to follow. However, the algorithm I am using must not be deterministic; i.e. I need to do a sensor sweep and build a graph of the relative light levels at the left, front and (...) (23 years ago, 4-Apr-02, to lugnet.robotics.rcx.robolab)
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| | 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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