Thread: Hello from RJR
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  #23  
Old 18th January 2008, 18:58
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Foghut Foghut is offline  
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Could you not stack 4 miniature leds in a black plastic strip like this, and hang them off the gantry ?
http://www.cravenmodels.com/SIGNALS_files/image010.jpg

Also have you considered using infrared sensors or magnets for automated signalling ?
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