Asuming it's not a [pic] subject you may do it  with 1/4 of 4093,
one gate for frequency tone and one for duration.
Also may be done with two bipolar transistors ( but my schematics
are made on paper with pencil...so i can't attach it )
Or with one pic output pin.
Vasile


On Wed, 28 Feb 2001, Kajcsa Laszlo AII IV wrote:

> Hi!
>
>   Anybody knows how to do a circuit witch beeping in a piezo buzzer(a
> little one; like in the watches and games)?
>
> thanx,
>
>
>
>
>         /--------------------------------------------------------------\
>         | Kajcsa Laszlo   | E-mail : lkajcsa@uttgm.ro                  |
>         |                 | Web Page : http://193.226.19.131/~lkajcsa  |
>         \--------------------------------------------------------------/
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.
>
>

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.