> I've often wondered (ok, not THAT often) how to get a microcontoller to
> generate a convincing "tick" or "tock" sound out of a speaker.  Little
> beeps are just ... inelegant, and simply driving the cone with DC seems
> like it would be too short...

I did this once by running a 5V pulse into a speaker.  I sortof remember
it was in the 1 to 10mS range, but this was a long time ago.  If the pulse
is too long, you hear both edges.  If it's too short, the volume is
reduced.  The pitch largely depends on the characteristics of the speaker.


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