This is a simple single zone home Alarms Systems circuit. Its features include Entry delays , a timed Siren Cut-Off and and automatic Exit. It's designed to be used with the usual types of normally-closed input devices such as - - foil tape - micro switches - magnetic reed contacts and infra red sensor. But it can be Easily modified to accept normally-open devices - such as pressure mats.
Single Zone Home Alarms Systems
Learn How to construct the Circuit
http://www.zen22142.zen.co.uk/Circuits/Alarm/aia.html
Single Zone Home Alarms Systems
Posted by Electronic Circuit Diagrams
Labels: Home Alarms Systems, Single Zone electronic circuit diagram
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