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Schematics T.E.C. Time Travel Unit

Discussion in 'Time Machines and Experiments' started by Num7, Mar 1, 2016.

  1. Lumbergooz

    Lumbergooz Active Member

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    @Num7 : I read a document says you do not need the exact buzzer..I hope this helps
     
  2. Num7

    Num7 Administrator

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    I'll keep you updated when I work on it again. It's been a few years since I didn't take it back of its box.
     


  3. steven chiverton

    steven chiverton Senior Member

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    the tto and tec schematics are the same
     


  4. Lumbergooz

    Lumbergooz Active Member

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    Yup, Steve is right
     
  5. Num7

    Num7 Administrator

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    That's right, didn't notice. I merged both threads.

    Thanks for the heads up.
     
  6. steven chiverton

    steven chiverton Senior Member

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    what buzzer if your refering to the same 15000hz pezio buzzer used in the bajak capacitor its dosent have a biult in driver circuit and ive never been able to find one listed on some page where the buzzer details was on it just said it dosent have a driver you can get it and it wasent even listed on the same site for it to look at the details
     
  7. Lumbergooz

    Lumbergooz Active Member

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    This circuit drives any wafer buzzer..I tried it it works
    R1 = 100K,
    R2 = 4k7,
    T1 = BC547,
    L1 = Buzzer inductor,
    PZ1 = Piezo element, 27mm, three terminal
    [​IMG]
     
  8. steven chiverton

    steven chiverton Senior Member

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    ive got heaps of buzzers from e bay they all 2 terminal ones so where did you get a 3 terminal buzzer from
     
  9. Lumbergooz

    Lumbergooz Active Member

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    got them from dead microwave oven. a gold mine indeed...U also get it from dead washing machine upper bord.