It has an intruder sensor cum transmitter and a receiver. The sensor reacts to light, sound and mechanical movements. One can enter only if the four digit code number is rightly entered.. This is a complete, assembled working project / model (duly tested) at our work shop. This is a handmade project on a general purpose PCB and uses Electronics / Electrical components as per requirement of a particular model. A rough report & study material related to project will be mailed to student on request.
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