CELL-PHONE BASED INTRUDER ALARM USING PIC 16F877A MICROCONTROLLER

Publication Date : 01/02/2014


Author(s) :

Babale, S.A., Ahmad K., Musa, M. J., Sha’aban, Y. A..


Volume/Issue :
Volume 9
,
Issue 1
(02 - 2014)



Abstract :

There are many security systems like Closed Circuit TV (CCTV) cameras which serve as a good asset and can help in fighting against crime. It has limitations, once a criminal observe its presence, he will quickly change tactics. Also CCTV cameras and other security systems can only filmed the intruder but not necessarily make an alert. This research work provides an immediate action once an intruder penetrates into someone’s territory by calling his mobile phone number. This paper presents a system designed to improve the home safety and the conventional alarm system today. The system is not only to detect any intrusion and turn on the bell alarm but also tell the owners by calling their cell-phone. The main focus of this paper is to generate the DTMF (Dual Tone Multi Frequency) tones using a cheap Programmable Integrated Circuit (PIC) Microcontroller and other components of the circuit. The theory of the DTMF tones generation is discussed in quite detail with suitable graphs shown in this paper. This system is already designed and constructed successfully where it generates the DTMF tones and able to make a call to a specific cell-phone number.


No. of Downloads :

8


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