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Monday, September 15, 2008

Simple Home Security Monitorin Project

Simple Home Security Monitoring Project
This project is a standalone simple home security monitoring project that will trigger a buzzer when the magnetic contact is opened. Magnetic contacts are usually NC (Normally Closed) and are used on doors and windows. They consists of two parts namely a magnet and a reed switch. When the reed switch is in close proximity to the magnet, the switch will close and vice versa. Usually the magnet is fitted to the door and the reed switch is fitted to the door frame in close proximity to one another such that when the door is closed, the two parts are in close contact and hence the switch is closed. When the door is opened, the magnet will be a distance away from the reed switch and hence the switch will open.

Download Schematic Diagram and part list :