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Recent content by manomarch

  1. M

    interfacing buzzer with 8952

    ok may be the circuit i was provided with was wrong or was for other purpose. anyway i got your point. thank you
  2. M

    interfacing buzzer with 8952

    ohk ! that means it can also be controlled with one transistor. but what if we use two transistor as shown in the circuit.
  3. M

    interfacing buzzer with 8952

    hey! how to interface a +5V buzzer with IC 89S52. someone suggested me to use two bc547 npn transistor. this is its schematic. i want to know basically what is this circuit doing?
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