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DiscoverCircuits.com  --   Dave's Circuits
Circuits designed by David Johnson, P.E.

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Last Updated on:  06/17/2009 03:30:13 PM

Alarm Circuits   Geophones   Motion Detectors

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Human Traffic Footstep Alarm
This circuit processes the amplified signals from the footstep detector circuit and activates a microprocessor when the circuit detects footsteps.  At has an adjustable sensitivity.

Circuits Geophone Footstep detector Alarm Schematic

Alarm Circuits   Geophones   Motion Detectors
Master Schematic Category List - David A. Johnson, P.E.
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