wire break alarm project working

Discussion in 'The Projects Forum' started by abhin.vicks, Jan 26, 2013.

  1. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
    7
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    Please give me the working of this wire break alarm circuit ...........i'm in desperate need of this.......the 2 wires coming out of R1 are the wires of the loop.......it works fine but i want its working as i have to prepare a report on it.....and i dont know how to proceed......pl give me the entire working.
     
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  2. #12

    Expert

    Nov 30, 2010
    16,284
    6,797
    It's an audio oscillator with an option to wreck the bias on the first transistor. Open the wire sensor and it oscilates. Short R1 and it stops.
     
  3. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
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    what is its working
     
  4. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
    7
    0
    Explain its working plss
     
  5. Dodgydave

    Distinguished Member

    Jun 22, 2012
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  6. Metalmann

    Active Member

    Dec 8, 2012
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    Don't you just love this description of that circuit?:



    "This is Sound effects two tone circuit, which generally abound measure various both of kinds use IC frequency origin oruse the transistor. The sound will that is proportionate big depend on the value of R and C. For this circuit is will building sound of pale long tail or clock ancient sound."



    I guess "Engrish" is their second language.;):D
     
  7. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
    7
    0
    pls guys dont jest......give me its working in writing.......plsss..
     
  8. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
    7
    0
  9. abhin.vicks

    Thread Starter New Member

    Jan 26, 2013
    7
    0
    yeah ryt i guess
     
  10. powerage

    New Member

    Nov 4, 2014
    1
    0
    Hi guys. Searching through the forum brought me to this thread. I'm wanting to build a loop alarm that needs to be powered down to stop the alarm once the circuit has been broken. All the ones I've seen so far reset when the circuit is closed again.
    Any pointers for a newbie would be most appreciated.
     
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