TY - JOUR T1 - Infrared Security Alarming System AU - Asaduzzaman, Kh. AU - Nazrul Islam, M. AU - Shahjamal, M. AU - Hoq, Mahbubul JO - Asian Journal of Information Technology VL - 9 IS - 4 SP - 243 EP - 247 PY - 2010 DA - 2001/08/19 SN - 1682-3915 DO - ajit.2010.243.247 UR - https://makhillpublications.co/view-article.php?doi=ajit.2010.243.247 KW - Security KW -sensor KW -infrared KW -detector KW -designed KW -transistor AB - 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. ER -