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Normally Open Motion PIR

Discussion in 'General Electronics Discussion' started by jhillsecurity, Apr 11, 2011.

  1. jhillsecurity


    Apr 11, 2011
    who makes normally open motion pir ?
    Last edited: Apr 11, 2011
  2. Ian

    Ian Administrator

    Aug 23, 2006
    Welcome to the forums, jhillsecurity. :)

    I've moved your post to a new thread, as it was tagged on to the end of another unrelated thread.
  3. davenn

    davenn Moderator

    Sep 5, 2009
    all the ones I have seen are NC relay contacts, as when they open you get the resistor across the end of the loop.

    I guess you could always mod one to get at the NO relay contacts :)

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