designing a timer circuit

Discussion in 'Homework Help' started by amos, Sep 15, 2008.

  1. amos

    Thread Starter New Member

    Sep 15, 2008
    2
    0
    We are to design and contruct complete a timer circuit to control electronics switches and we are stuck.
    anyone with an idea should kindly help us by sending to my inbox.
    (amosc4@yahoo.com)
     
  2. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    What kind of electronic switches and how many?
     
  3. amos

    Thread Starter New Member

    Sep 15, 2008
    2
    0
    THANKS A LOT
    WE ARE TO DESIGN A VARIABLE TIMER CIRCUIT
     
  4. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    If you want time delays of some minutes then use a 555 timer IC. If you want time delays for hours up to days then you have to use the 4047 timer.
     
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