International Scientific Journal of Engineering and Management

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ISSN: 2583-6129

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Anti Theft Alarm and Alert System Using Arduino

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  • Create Date 5 June 2025
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Anti Theft Alarm and Alert System Using Arduino

Authors:

Nafiza1*, Bommagoni Swetha1, Kale Ramesh1, Dyagala Sandeep1, Potharaju Raghu1

1Siddhartha Institute of Technology & Sciences, Narapally, Korremula Road, Ghatkesar, Medchal- Malkajgiri (Dist)-500 088, India.

*nafiza.ece@siddhartha.co.in, 23TQ1A0415@siddhartha.co.in, 23TQ1A0414@siddhartha.co.in , 23TQ1A0463@siddhartha.co.in, 23TQ1A0455@siddhartha.co.in

 

Abstract - Theft prevention remains a critical concern across residential, commercial, and industrial settings. Conventional security systems—such as motion detectors, surveillance cameras, and pressure pads— often face limitations related to cost, complexity, and reliability. This paper proposes a cost-effective and efficient anti-theft detection system based on a piezoelectric sensor, which detects unauthorized intrusions by sensing mechanical vibrations or pressure variations. When an intruder applies force such as stepping on a protected surface or tampering with an object the piezoelectric sensor converts the resulting mechanical stress into an electrical signal. This signal is processed by a microcontroller, which subsequently activates an alert mechanism, such as a buzzer, LED indicator, or SMS notification. This study explores the system’s working principle, circuit design, advantages, and potential applications in real-world security scenarios.

Key Words: Piezoelectric sensor, anti-theft system, intrusion detection, vibration sensor, security system.


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