audio Smallest circuit to make a sound

Posted on Feb 6, 2014

Any ideas Is this circuit going to be stand alone Any other circuitry around it, perhaps a microcontroller What circuitry does the timing device contain, or does it even contain electronics abdullah kahraman Mar 22 `13 at 18:10 Since you do not want much components, you can maybe remove pull-down resistor R2 if you can get away with small problems, such as a weak and short beep on power-on, when the

audio Smallest circuit to make a sound
Click here to download the full size of the above Circuit.

microcontroller`s pin is floating. I have happened to pick a PIC16F616, it is an over-kill as Olin notes and I did not pay attention to that. Feel free to use your own microcontroller which you are already using in your design.

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