piezo buzzer as a shock sensor

tgq · Dec 8, 2004

Hi
I'm looking for a shock sensor with gain and trigger level adjust, the sensor must be a low cost piezo buzzer disk
Thanks in advance

klystron · Mar 3, 2011

Take watch PZT ; aplifie signal ; into an comparator ; and driving a relay.
You set the sensitivity with the amplifier gain and the comparator level.

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