Design and Implementation of a Microcontroller Based Home Security Alert System
Control Science and Engineering
Volume 1, Issue 1, December 2017, Pages: 11-21
Received: Apr. 19, 2017;
Accepted: Jun. 12, 2017;
Published: Aug. 18, 2017
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Ofualagba Godswill, Department of Electrical and Electronic Engineering, Federal University of Petroleum Resources, Effurun, Nigeria
Onyan Aaron Okiemute, Department of Electrical and Electronic Engineering, Federal University of Petroleum Resources, Effurun, Nigeria
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This paper presents the design and implementation of a microcontroller based home security alert system. The system detects the presence of an intruder or visitor with the help of sensors and alerts the householder, both by displaying the exact distance of the individual on a liquid crystal display (LCD) and by giving out a beeping sound in the case of an intruder or ringing a doorbell in the case of a visitor. The sensors (Ultrasonic and PIR sensors) receive the signal when the intruder or visitor is around while the control program facilitated by a PIC16F877A microcontroller translates the received signal to useful information. The implemented microcontroller based home security alert system was tested at different distances. At distances within the specified range, the system displayed the exact distance and activated the buzzer and the doorbell, while at distances outside the specified range it gave no alert at all.
Ultrasonic Sensor, PIR Sensor, Alert System, Microcontroller, Security
To cite this article
Onyan Aaron Okiemute,
Design and Implementation of a Microcontroller Based Home Security Alert System, Control Science and Engineering.
Vol. 1, No. 1,
2017, pp. 11-21.
Copyright © 2017 Authors retain the copyright of this article.
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