Triggered wave generator/piezo questions

[Stewart Pye]

Howdy....

At 01:56 PM 29/08/99 NZST, Prospective Volition wrote:
>I have built on a breadboard one sectionof the paia synthdrum. It seems to 
>work as it self oscillates when the Q value is high. i.e adjusting the 
>resistor. But I can't get the piezo to trigger it. Is there any other way I 
>can get it to trigger to test it.


A very crude way of testing it is to put a NO momentary swich between +5V
and the trigger input. Hit the switch quickly and you should get a DONK.

BTW: V+ on the paia drum board should be 9V to 12V, while the +5V should be
(obviously) +5V. Which drum did you build? I'm not a big fan of the gated
noise for snare on the paia board. Too much bleedthrough on mine.

Regards,
Stewart.