Controlling the electricity flow of a model railway

This is a discussion on Controlling the electricity flow of a model railway within the Tech Board forums, part of the Community Boards category; I want to create a model railway with switches that control the electricity flow on the lines. I want to ...

  1. #1
    stovellp
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    Controlling the electricity flow of a model railway

    I want to create a model railway with switches that control the electricity flow on the lines. I want to make these switches have serial ports so that I can connect them to my computer to control the flow.

    I have the programming side sorted out, now I have to do the switches. Trouble is, I have no idea where to start. I'd love some sort of quick explanation or a link to where I can learn more.

    Thanks.

  2. #2
    Its not rocket science vasanth's Avatar
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    Jan 2002
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    You get Electronic switches which will turn on and off based on the voltage you input.. Like say 10 volts and 5 volts where 10 is ON and 5 id off..

  3. #3
    Banned frenchfry164's Avatar
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    Oct 2001
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    how does that work? does it have a resistor that takes the voltage down 5 volts or something?

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