Subject:
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Re: Collision Avoidance of Train using RCX and Light Sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 23 Jul 2000 10:11:32 GMT
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Viewed:
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1129 times
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I would use a touch seser
"Ahui Herrera" <jedi_agh@yahoo.com> wrote in message
news:Fxx5w8.DqD@lugnet.com...
> Hello all,
> I'm not sure if this is the right area to post this to or not.
> I've been working with my Mindsotrm set of late and have created a program
> that will control and detect when two lego trains cross at a crosstrack. • My
> program will stop one track and allow the other one to go thru before
> starting up the "stopped" train. Everything works fine (program, track
> circuit isolation, trains, etc.) The only problem I'm have is that the • light
> sensors I'm using CAN NOT DETECT the light from a LEGO Light brick. I
> initally started using a flash light but a flashlight is a non-LEGO and I
> wanted a pure LEGO solution. I have used a diode and created a small • cicuirut
> to supply it with power, but this again is a non-LEGO solution. Has • anyone out
> there been messing around with these light sensors?
>
> Upon doing some trial runs I find that the light sensor can not deter the
> light from the light brick across the span of track that they are apart. • I
> can not bring the light and closer to the sensor becuase it will obstruct • the
> train passing. I could lower the variable in teh program to allow • detection
> and a lower %. Currenlty it is at 60% and above will mean that their is • light
> and thus no train is passing. However, in lowering the variable I will • get
> times when there is a train passing but it will not register. What I need • is
> for the light brick to be brighter. Any ideas?
>
>
> Thanks
> Ahui Herrera
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Message is in Reply To:
 | | Collision Avoidance of Train using RCX and Light Sensor
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| Hello all, I'm not sure if this is the right area to post this to or not. I've been working with my Mindsotrm set of late and have created a program that will control and detect when two lego trains cross at a crosstrack. My program will stop one (...) (24 years ago, 19-Jul-00, to lugnet.robotics)
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