Subject:
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Re: GMLTC Update
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 19 Jul 2002 23:10:05 GMT
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Viewed:
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692 times
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In lugnet.trains, John Kelly III writes:
> James-
>
> Mr. Gerlach is quite clever. He has the loop powered in three sections with
> light sensors to grab the trolley location for the RCX. It was working
> alright at the Roundhouse, but it had some trouble in the direct light of
> the Fargo show. The light sensors were just overwhelmed.
I need to invest in some reed sensors to detect the magnets as they go by,
the light sensors are just too unreliable under the different lighting
conditions. Anyone know a good place to purchase some RCX-compatible reed
sensors?
"Clever"... Ha! ;-)
JohnG, GMLTC
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Message has 2 Replies:
 | | Re: GMLTC Update
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| (...) Fairly easy to make your own: 1. Cut a 1m cable in half. 2. Take one half and shorten one of the two wires at the end by two inches. 3. Solder a reed switch to the ends so it lies along the cable. 4. Put some heat shrink over it all. 5. (...) (22 years ago, 20-Jul-02, to lugnet.trains)
| | | Re: GMLTC Update
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| (...) John Barnes/HiTechnic? He was showing off a lot of his wares at BF. (URL) that his "train sensor" is a light sensor, basically, but set to point directly up so that train shadow activates it. It's only a plate and a tile high though. Also (...) (22 years ago, 22-Jul-02, to lugnet.trains)
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Message is in Reply To:
| | Re: GMLTC Update
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| James- Mr. Gerlach is quite clever. He has the loop powered in three sections with light sensors to grab the trolley location for the RCX. It was working alright at the Roundhouse, but it had some trouble in the direct light of the Fargo show. The (...) (22 years ago, 19-Jul-02, to lugnet.trains)
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