Subject:
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Re: Light Sensors in parrallel
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 8 Oct 2005 12:40:36 GMT
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Viewed:
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1512 times
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In lugnet.robotics, Ludo Soete wrote:
> Hi,
>
> I do have a question for the upcomming LW2005 (Holland).
>
> We will have a train track with a metro on it, always running in the same
> direction. We have 2 stations, one on the surface and the other one
> 'underground'.
> I builded me a printed cirquit board with almost the same electronic as in the
> train speed regulator, BUT, have the capability tho adjust the speed with a BCD
> coded input (need to be tested!). This input is controlled by the 3 motor
> outputs from a RCX. I would like to use 2 light sensors per station. When the
> first one is activated, the train starts to slow down. When the second one is
> activated, the train stops in the station. So this means that i need 4 inputs on
> my RCX, But there are only 3 inputs. My idea is to place 2 light sensors in
> parrallel, the one's that detect the train in the station.
> Is this possible?
> If not, any other idea to solve the problem?
>
> Regards,
> Ludo
Hello Ludo,
Since you already built electronics for that project maybe you will like Daniele
Benedetelli IRPD: http://unitutor.unisi.it/~danny/Sharp%20IRPD.htm . You can
mount three such sensors on a single RCX output and even know which one fired.
See you soon in LW ;o)
Philo
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Message is in Reply To:
 | | Light Sensors in parrallel
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| Hi, I do have a question for the upcomming LW2005 (Holland). We will have a train track with a metro on it, always running in the same direction. We have 2 stations, one on the surface and the other one 'underground'. I builded me a printed cirquit (...) (19 years ago, 7-Oct-05, to lugnet.robotics)
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