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Is it possible for a program to open/close a circuit?

  1. Jul 18, 2011 #1
    I just wondered if someone could programme a computer to, when certain data is inputted, open or close a circuit?
  2. jcsd
  3. Jul 18, 2011 #2
    The question is somewhat vague.
    The computer by itself cannot do that. However you can program the computer to send the proper input/signal to an actuator or similar device that could physically accomplish the required task.
    There are also lots of microcontoller packages on which you can load a program and install separately to accomplish the same task, which make it even easier since they provide a high level interface for a task which would otherwise involve a lot of low-level electrical engineering work.
  4. Jul 18, 2011 #3
    Sorry about that I did mean by sending the signal.
    Thanks :)
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