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Time delay Circuit-How?

Discussion in 'General Electronics Discussion' started by BigBen10, Feb 2, 2013.

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  1. BigBen10

    BigBen10

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    Nov 11, 2012
    Please does anyone have any idea on where and how to get a time delay circuit that comes on every 8hours, remain on for about a minute then go off again, and continues the cycle. Also is is possible to use a PIC for such an operation
     
  2. Raven Luni

    Raven Luni

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    8
    Oct 15, 2011
    For that kind of application you need a real time clock. If you want to use a PIC, look for a clock module thats compatible with one, then write your code accordingly
     
  3. Harald Kapp

    Harald Kapp Moderator Moderator

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    2,651
    Nov 17, 2011
  4. CocaCola

    CocaCola

    3,635
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    Apr 7, 2012
    If not what Harald suggested there are likely green house/lawn watering timers that will do this as well...

    If precision timing isn't crucial you could do it with a small PIC chip alone...
     
  5. BobK

    BobK

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    1,688
    Jan 5, 2010
    Or you could always do it with a PIC and crystal, no seperate real-time clock needed, just some programming.

    Bob
     
  6. poor mystic

    poor mystic

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    Apr 8, 2011
    :) Sometimes our suggestions are better if we know what the application is to be...
     
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