 | | Re: Check out my minifig-scale Droideka
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It's up, check it out here: ftp://lugnet:brick@2...droid.html Or ftp using login=lugnet pass=brick. Pat J (...) (25 years ago, 25-Aug-99, to lugnet.starwars, lugnet.build)
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| | Re: Q:Best approach to line tracking
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This is mainly for people who still want to stick to just one light sensor -- You can still figure out which way to turn even with just one sensor, by following the edge of the line rather than trying to follow the center. This works only if your (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | HOWTO news :(
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I just got back from vacation 2-3 hrs ago, and have just found out that the school cleared our one-year name leases while I was gone. As a result, the HOWTO at arthurdent.dorm.duke.edu has been unavailable for several days (not quite sure how long (...) (25 years ago, 25-Aug-99, to lugnet.robotics.rcx.legos)
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| | RE: Touch Sensor as a Switch
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(...) Can you describe that? Are you connectiong the Lego wires with only one stud overlapping? I don't have software to display your LDRAW file. (...) Very, very interesting. I wonder why that is? Maybe Cybermaster has really only one analog input (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Re: wishing upon a star
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(...) Precisely. It's not guaranteed to be unique and it has business meaning. Now, clearly, the underlying DB implementation should index on that column because we are likely to be doing a lot of lookups, but that is an optimization/implementation (...) (25 years ago, 25-Aug-99, to lugnet.db.brictionary)
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| | UK Jumble Box - Progress Report
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UK Jumble Box - Progress Report 25/08/99 Liam Parnell I got the box today, and was pleasantly suprised as it contained some tasty pieces. I have tried to put in more than was taken out, and have replaced the box with a bigger one. Much of the fun of (...) (25 years ago, 25-Aug-99, to lugnet.loc.uk)
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| | Re: Touch Sensor as a Switch
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From: "Hao-yang Wang" <hywang@pobox.com> (...) Could you put a JPEG or GIF rendering of the image on the internet somewhere for those of us without LDraw? thanks, alex -- Did you check the web site first?: (URL) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Odd buckets I found today
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I was poking around in a TRU today. I noticed various odd Lego buckets way up on a high shelf. I bought all of them. 4055 FreeStyle bucket (red), shorter than the Lego Classic bucket 4288, 320 pieces 2494 Lego System bucket (purple), same size as (...) (25 years ago, 25-Aug-99, to lugnet.market.shopping)
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| | Re: multiplexed touch sensors [was: Re ideas for a RIS 2.0]
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(...) It sounds like you're saying that the intermediate resistance values happen only for some period of time (short by human standards) while the touch sensor "switches" from "on" to "off" or vice versa. Other people writing in this thread have (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Re: Help needed with the cross compiler setup for legOS
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=>From: Soon Ju Kang <sjkang@ee.kyungpook.ac.kr> =>... =>==> Will you make me free from this angry job by sending the your ready-made =>version.==> I use the RedHat6.0 and I need the cross compile environment for =>legOS =>==> Thank again for your (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | software debouncing (was Re: touch sensors aren't just switches (was Re: ideas for a RIS 2.0
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(...) The way I debounce is by using a simulated RC network ("RC" stands for resistor-capacitor). RC networks exhibit a "decaying exponential" response to an input waveform. Here is an example of how to simulate an RC network: averagereading = 0; (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Touch Sensor as a Switch
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I played around with sensors and wires, and came up with a way to use the touch sensor as a switch. See my post at lugnet.cad.dat.ideas (URL). Unfortunately, even when the touch sensor is pressed, it still has a significant amount of resistance, so (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Re: touch sensors aren't just switches (was Re: ideas for a RIS 2.0
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(...) That obviously depends on what type of physical design is used for the switch. Some switches are not capable of bouncing the way you describe because there is no impact or acceleration during contact (example: slide switches that move leaf (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Touch Sensor as a Switch [DAT]
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Here a touch sensor is used as a switch. See my post at lugnet.robotics for more details. Electric plates of the same color belong to the same wire. The green plate is the input. The blue plate is the output, in reversed polarity. Cheers, Hao-yang (...) (25 years ago, 25-Aug-99, to lugnet.cad.dat.ideas)
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| | Re: Train doors and windows
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Sorry, I wasn't trying to ask what people wanted I was just curious about how many people were talking with Christer, and if anyone who posts to this group knew Christer since I had not seen him around before. Christopher (...) (25 years ago, 25-Aug-99, to lugnet.trains)
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| | Re: Train doors and windows
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No more posts on this topic please. I don't want to go into too much detail but I have strong reason to believe the following to be true (am I certain? No. but I have strong reason) - This is a legitimate thing. Someone within TLG has received (...) (25 years ago, 25-Aug-99, to lugnet.trains)
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| | Re: Brief summary - 8/21 meeting
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(...) Very cool! Anyone take pictures? (...) I'll be there! (I know, I said that last time... :-) Any ideas as to a location? I can volunteer my house in northwest Austin (near intersection of 183 Spicewoods Springs/McNeil). (25 years ago, 25-Aug-99, to lugnet.loc.us.tx.aus)
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| | Re: De Bouwsteen club
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(...) Hoi iedereen, volgens Ruud gaat 12 September niet door, en is de eerst volgende clubdag 13 November in Heemskerk. Details volgen in de volgende Bouwsteen. Groet, Henk Giezeman. (25 years ago, 25-Aug-99, to lugnet.general, lugnet.loc.nl)
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| | Climbing robot?
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I've seen a ROBOLAB video where someone had made a bot which could climb glass doors with suction cups and pneumatics, and Fudd has got his stair climber... but has anyone made a robot that can climb a pole of some sort? i.e. straight up? I have (...) (25 years ago, 25-Aug-99, to lugnet.robotics)
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| | Re: Mos Espa Problem :-0
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(...) Beautiful! -Tom McD. when replying, gouge out the spamcake. (25 years ago, 25-Aug-99, to lugnet.build)
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