securing home entrances with a simple circuit


Posted on Feb 5, 2014

Certain circumstances and areas demand detection and securing of the entrances paths through alarm systems, so that the whenever an individual opens the entrance door the situation is instantly tracked by ringing an alarm. Battery operated window and door alarms are devices intended exactly for fulfilling the above conditions. A simple but effective circuit of one such circuit is discussed here, use of just one integrated circuit and few other ordinary parts makes the whole idea pretty easy to understand and an ideal project to build. Learn more..


securing home entrances with a simple circuit
Click here to download the full size of the above Circuit.




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