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Subject: 
Light Sensors galore...
Newsgroups: 
lugnet.trains
Date: 
Thu, 12 Apr 2001 17:38:27 GMT
Viewed: 
377 times
  
Hi all,
Is it possible to use light sensors to stop trains automatically (stations,
signals, etc.)?
Reply 2 me quick!
Ta,
Sam



Message has 1 Reply:
  Re: Light Sensors galore...
 
(...) sure, quite easy, with a light sensor, a light brick and a polarity switch. quick enough? (24 years ago, 12-Apr-01, to lugnet.trains)

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