Circuit - Security/Burgular Electronic Circuits Designed by David A. Johnson, P.E.


	DiscoverCircuits.com, has 26,000+ electronic circuits or schematics carefully cross-referenced into 500+ categories. As a vital resource for engineers, hobbyists, inventors & consultants, the site's collection of information will help you find quick solutions to electronic design problems.

HOME

Schematics

Discover Forum

Hobby Corner

Dave's Circuits

Electronic Resources

Book Corner

Contact Info

Discover Solar Energy

Imagineering Ezine

Dave Johnson & Associates

Burgular/Security Circuits
Designed by David A. Johnson, P.E.

Last Updated on: Monday, August 18, 2008 04:19 PM

Master Category List - Dave's Circuits

ELECTRIC FIELD DISTURBANCE MONITOR
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. The system can detect human and animal motion by the electric fields they disturb.

ELECTRIC FIELD DISTURBANCE MONITOR
This schematic is the motion discriminator alarm and battery monitor sections of the field monitor that is discussed in more detail a Electric Field Disturbance Monitor. (link is off-site)

Simple Security Wire Loop Alarm: A wire is looped through various objects which are to be monitored. The loop wire is typically an aircraft cable but could also be any insulated stranded wire. The loop is attached to a table or desk. Should the loop be cut, the alarm is sounded.

Wire Security Loop Alarm
A wire loop is used to protect valuable objects in this alarm circuit. The circuit is powered by a 9v battery.

More Security Circuits

Master Category List - Dave's Circuits