| | Re: train event still going on....
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Ben, It looks like you are having fun. How did you five get together? Have you been friends for a long time? Enjoy your train event! Chris (...) (25 years ago, 30-Dec-99, to lugnet.trains)
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| | Re: how does a bar code reader work?
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(...) track (...) Simple...it takes time :) I have @500 straights, and probably 200 curves, plus 16 points of 9v, plus some 4.5V stuff on my current layout. A lot of the track is in the ramp up, with about 225 pieces between the ground and the 2nd (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | Re: Dan Strikes Again...
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(...) Nice, I can only hope to finish mine some time. I am still trying to find 8 more large red spoke or 12 stud wheels. The wheel articulation for the front drivers gave me a little trouble, but I think I can get it working. The large wheels (...) (25 years ago, 30-Dec-99, to lugnet.trains)
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| | Re: Do you like monorails?
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(...) They are called People Movers actually. Systems are in service, AFAIK, in Dallas, Miami, and Sydney. They usually are for small inner-city routes (i.e. the Miami route goes all through downtown and connects with the subway, which only crosses (...) (25 years ago, 30-Dec-99, to lugnet.trains)
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| | Re: how does a bar code reader work?
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(...) track (...) Well, I have for the time being a lot of 12V track, with automatic points and stop signals. I am not going to buy 9V points before they are automatic. I hope that TLG gets into train-mindstorms (computer controlled track e.g. (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | RE: how does a bar code reader work?
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(...) Hmmm, this might be another practical pbForth application. I don't have time right now... <snipped excellent barcode type description> (...) I'm not sure about the clock thing. Any single sensor is sampled at about 333 Hz. If you write some (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | Re: Dan Strikes Again...
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(...) night you brought him over to GMLTC? As for the caboose, though, try using a flat roof with roofwalks the way I did. Much more prototypical looking. (...) right way and the big box lantern headlight is spot on! I like the passenger car (...) (25 years ago, 30-Dec-99, to lugnet.trains)
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| | Re: how does a bar code reader work?
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(...) I just realized that I answered your barcode question without considering what you were trying to do! For your application you can use (or invent!) any barcode system you like. In fact, something simple like POSTNET (used in the US to add a (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | Re: how does a bar code reader work?
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(...) Well I don't have the code pilot but at my previous job I worked on Warehouse Control systems that were Bar Code intensive. As I am sure you know a bar code is just a simple representation of letters and/or numbers that are readable by a (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | Re: how does a bar code reader work?
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This is going to be tricky without real arrays. LegOS may be the only option. You'll be looking for a start symbol (maybe just one framing bit, sometimes a legal character in the barcode set and sometimes just a pattern). Once you identify it you (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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