 | | barcode reader for RCX (was: how does a bar code reader work?)
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(...) Well, I tried this, and it's hopeless. The RCX can't poll the sensor nearly fast enough, and even if it could you'd need a lens to focus the sensor better. (...) Instead of using my idea, I took the suggestion of someone else and just used a (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains, lugnet.robotics.rcx)
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| | Re: train event still going on....
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Hi Ben, Amazing what you and youre friends did. I want to do so too,but there's no one in my neighborhood that i know for starting a kind of club. Go on with the hobby,it's realy nice. Ludo (...) (25 years ago, 30-Dec-99, to lugnet.trains.org)
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| | Re: how does a bar code reader work?
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(...) It's 2D, not 3D. It is pretty cool looking but more susceptible to damage than the 1D codes because the 1D codes are wide in the second dimension for redundancy. /Eric McCarthy/ (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
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| | 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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