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All Journal Jurnal Nasional Teknologi Informasi dan Aplikasinya
A. A. Jaya Kesuma Wardana
Universitas Udayana
Computer Science & IT Engineering

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Rancang Bangun Sistem Keamanan Benda Pajangan dengan Notifikasi Telegram A. A. Jaya Kesuma Wardana; I Gede Santi Astawa; I Putu Satwika
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 4 No. 3 (2026): JNATIA Vol. 4, No. 3, Mei 2026
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2026.v04.i03.p06

Abstract

This paper presents a security monitoring system designed for high-value museum and gallery display items such as statues, paintings, and pottery, which are susceptible to theft due to their aesthetic, historical, and economic worth. The design integrates an ESP32 microcontroller with an HC-SR04 ultrasonic sensor to detect object movement or removal. Upon detecting unauthorised movement or disappearance, the system dispatches a real-time notification via the Telegram application to alert the user. This study consists of problem identification, literature review, system architecture design, prototype implementation, and thorough testing. Experimental results demonstrate the system's effectiveness in detecting object displacements and absences, with notification latency under two seconds and successful message delivery across all test scenarios. These findings demonstrate a practical security measure for art and historical collections
Co-Authors I Gede Santi Astawa I Putu Satwika