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simple control that will turn a circuit on and off a certain number of times...

Discussion in 'Electronic Basics' started by Grant, Sep 15, 2003.

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  1. Grant

    Grant Guest

    Hi I need a simole control that will turn a circuit on and off a
    certain number of times...

    the easiest way I can explain this is with this example...

    "If I had a digital watch and to get to the stop watch feature I would
    have to push the mode button 3 times... I want to be able to push one
    button to get to the stop watch feature.."

    Although the device I want to do this with is not a watch the
    components and are very similar. I am looking for a workaround way to
    automate this process as simply as possible...

    Anyone understand at all what I am babbling about ? :)
    Is there an easy way to achieve this?

    Grant
     
  2. A VERY simple device is an old telephone's rotary :). In your case however I
    would recommend an oscillator with a counter that will auto-reset and
    switch the oscillator off after the desired (evtl. programmed) number of
    pulses. Consider using a frequency divider if there are problems with
    lo-freq oscillators.

    Dimitrij
     
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