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Integrated random voice switch

Discussion in 'General Electronics Discussion' started by hrt, Apr 20, 2018.

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  1. hrt

    hrt

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    Apr 20, 2018
    I'm interested in a low voltage dc circuit that is activated by a physical switch. That activates a random switch that turns on, for between 15 seconds and 30 seconds, a second circuit that is voice activated that turns on a small dc motor.
     
  2. kellys_eye

    kellys_eye

    4,299
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    Jun 25, 2010
    By 'voice-activated' do you mean by specific 'word' or just any sound?

    If by 'word' then you're looking at a fairly sophisticated processing task that requires complex programming techniques. On the upside, such a processor would easily cope with the simpler random timing function.

    More info please.
     
  3. hrt

    hrt

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    0
    Apr 20, 2018
    No specific word(s). Any spoken (screamed) sound should activate it.
     
  4. kellys_eye

    kellys_eye

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    Jun 25, 2010
  5. hrt

    hrt

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    Apr 20, 2018
    I want the sound activated switch to function only when it hears noise. If there is no noise the motor is off. The clapper devices require a second noise to turn off. Regarding the random, I want it to have a physical on which will remain on for the random time(s) of 15 to 30 seconds, then shut down until physically turned on again.
     
  6. BobK

    BobK

    7,682
    1,688
    Jan 5, 2010
    You wont find all of this in one or even a combination of commercially available devices. What is your experience level at building your own circuits, if any?

    Bob
     
  7. hrt

    hrt

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    0
    Apr 20, 2018
    Minimal, but with a schematic I can kinda/sorta manage.
     
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