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All Journal Jurnal Simetris ELINVO (Electronics, Informatics, and Vocational Education) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Jurnal Pendidikan Teknologi Informasi dan Vokasional Jurnal Surya Teknika Journal of Electrical Engineering and Computer (JEECOM) JPTE: Jurnal Pendidikan Teknik Elektro MOVE: Journal of Community Service and Engagement Madiun Spoor : Jurnal Pengabdian Masyarakat TOFEDU: The Future of Education Journal Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Jurnal Pengabdian Dinamika Semeru Jurnal Pengabdian Masyarakat
Permata, Endi
Universitas Sultan Ageng Tirtayasa
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Transportation Other

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Development of a Digital Body Weight Scale Prototype with IoT-Based BMI Calculation and Real-Time Weight Tracking Hasti, Lubna Nadra; Permata, Endi; Aribowo, Didik
Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) Vol 7, No 1 (2025): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v7i1.2738

Abstract

Obesity is a growing health concern in Indonesia, with its prevalence steadily increasing and contributing to a variety of non-communicable diseases such as diabetes and heart disease. One effective way to monitor and manage body weight is by regularly calculating the Body Mass Index (BMI). This study aims to develop a digital weighing scale prototype based on the Internet of Things (IoT), equipped with BMI calculation and real-time weight tracking features. The prototype utilizes load cell sensors, HX711, ESP8266, and an OLED display for measuring weight, which is then transmitted to a Flutter-based application (MyWeightApp) connected to Firebase for data storage and graphical visualization. The research adopts the waterfall model for system development, encompassing requirements analysis, planning, modeling, construction, and system handover. Hardware testing demonstrates an accuracy rate of 0.78% error, well below the 5% tolerance threshold. Software testing using black-box testing confirms that the application successfully tracks weight, calculates BMI, and provides effective weight progress graphs. The results of this study indicate that the IoT-based digital weighing scale prototype developed can serve as a practical solution for obesity prevention and health monitoring in Indonesia.
Co-Authors Darmawan, Ilham Akbar Desmira Desmira, Desmira Didik Aribowo Diyajeng Luluk Karlina Dwi Cahyono, Bagus Fadillah, Selpi Amanda Fatkhurrohman, M. Geovani Orlando, Geovani Hasti, Lubna Nadra IMAM, MUHAMMAD KHAIRUL Irwanto Irwanto Jamas, Agung Rizky Kurnianingtyas, Rahajeng Meliansyah, Pasa Mohammad Fatkhurrokhman Mufit, Choirul Mustofa Abi Hamid Perdana, Gilang Prapaskah, Yohanes Aldi Purbohastuti, Arum Wahyuni Putri, Aulivia Widya Rama Denny, Yus Ratna Ekawati Ri Munarto, Ri Tarnama PM, Hilton Wahyuni, Arum