Subject:
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Re: Automated Cross Track
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 15 Jun 2001 14:05:17 GMT
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Viewed:
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950 times
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On Fri, Jun 15, 2001 at 01:55:22PM +0000, Ahui Herrera wrote:
> Dan I got some questions for you.
>
> 1) What are you using the motors for? The seem to be some sort of switching
> mechanism. Is this correct?
yup - the motors are running polarity switches that connect and isolate a
part of the track. We found this approach better than powering the track
directly from the RCX, since with a polarity switch, you can use a speed
controller, or even DCC. :)
> 2) At the two cross tracks is that a lego light at one end? Does your light
> sensor detect that light? In my experience placing the light too far (like
> in your image) the light sensor has a hard time reading the light value
> unless it's real dark.
we found that up to three track widths is as far as we can reliably detect
a light... using the chrome light reflector does help a whole lot.
HTH :)
--
Dan Boger / dan@peeron.com / www.peeron.com / ICQ: 1130750
<set:1069_1>: Speed Boat (LEGO/SYSTEM/Town/ResQ), '99, 21 pcs, 1 figs
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Message is in Reply To:
 | | Re: Automated Cross Track
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| Dan I got some questions for you. 1) What are you using the motors for? The seem to be some sort of switching mechanism. Is this correct? 2) At the two cross tracks is that a lego light at one end? Does your light sensor detect that light? In my (...) (23 years ago, 15-Jun-01, to lugnet.trains)
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