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

Master Category List - Dave's Circuits
Last Updated on: Friday, April 25, 2008 04:12 PM


Alarm Circuits    Active Filters: Low Pass   Burglar / Security Circuits  
High Impedance Amplifiers   Notch Filters   Motion Detectors
 
ELECTRIC FIELD DISTURBANCE MONITOR - Front End + Power Supply Circuits
This schematic is the power supply and front-end sections of the field monitor that is discussed in more detail at Electric Field Disturbance Monitor. (this link is off-site) The system can detect human and animal motion by the electric fields they disturb.

Click on Drawing Below to view PDF version of Schematic

Electric Field Disturbance Monitor designed by David A. Johnson, P.E. (June 17, 2000)

Alarm Circuits    Active Filters: Low Pass  Burglar / Security Circuits  
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Master Schematic Category List - David A. Johnson, P.E.
 

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