Thread: Controlling the electricity flow of a model railway

  1. #1

    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.


  2. #2
    Its not rocket science vasanth's Avatar
    Join Date
    Jan 2002
    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
    how does that work? does it have a resistor that takes the voltage down 5 volts or something?

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