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How do I make an automatic dog door?

Discussion in 'Electronic Basics' started by [email protected], Nov 2, 2005.

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  1. Guest

    The wife is getting a job that will not allow her to let the chahuahua
    out at noon. Is there a schematic that I can use to make an RF auto
    open/close dog door?

    Thank you,
  2. Bob Monsen

    Bob Monsen Guest

    I have a nice dog door for my small dog. It has flaps on both sides, which
    appears to discourage nocturnal intruders, and a plastic safety cover just
    in case you don't trust it. It installs through a typical exterior wall,
    and took me about 2 hours to put in (a friend had a nice stucco saw).

    It was a few years ago, but I believe this was the one:

    Bob Monsen

    Strange as it may seem, the power of mathematics rests on its evasion of all
    unnecessary thought, and on its wonderful saving of mental operations.
    - Ernst Mach
  3. Garage door opener on an ordinary mains voltage timer.

    Or electric door lock on mains voltage timer.

  4. GotCoffee

    GotCoffee Guest

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