Fridge door Alarm works in prctl????

Discussion in 'General Electronics Chat' started by gpbhupinder, Apr 29, 2013.

  1. gpbhupinder

    Thread Starter New Member

    Apr 29, 2013
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  2. Meixner

    Member

    Sep 26, 2011
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    It should work, Im not sure where prctl is.
     
  3. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,998
    745
    I think he means in" practical" and yes its just a light sensor and timer.
     
  4. ScottWang

    Moderator

    Aug 23, 2012
    4,855
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    If remove the Bz1 and in series between c(Q1) and +V(bat) is better, and e(Q1) connecting to Ground.

    Also you may need a small trim pot in series with R1 to do the adjustment for the sensitivity, and the R1 maybe need to reduce some values.
     
    Last edited: Apr 29, 2013
  5. gpbhupinder

    Thread Starter New Member

    Apr 29, 2013
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    thnxxx to all
     
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