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Asian Journal of Information Technology
Year: 2010  |  Volume: 9  |  Issue: 4  |  Page No.: 243 - 247

Infrared Security Alarming System

Kh. Asaduzzaman, M. Nazrul Islam, M. Shahjamal and Mahbubul Hoq    

Abstract: A low-powered (4.5-5 V) security alarming system using infrared sensor and detector mechanism has been constructed and tested. An IR transmitter (IR diode) and a receiver (Photo transistor) have been used. The system is connected to a multidirectional buzzer/siren or any kind of sounder to alert people from any threat to make sure the property is completely protected.

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