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All Journal JURNAL SISTEM INFORMASI BISNIS JSI: Jurnal Sistem Informasi (E-Journal) Jurnal Teknologi Informasi dan Ilmu Komputer Scientific Journal of Informatics Jurnas Nasional Teknologi dan Sistem Informasi CESS (Journal of Computer Engineering, System and Science) Jurnal Terapan Abdimas KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Journal of Applied Geospatial Information Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JURNAL INTEGRASI Jurnal Komputer Terapan JOURNAL OF APPLIED INFORMATICS AND COMPUTING International Journal of New Media Technology JITTER (Jurnal Ilmiah Teknologi Informasi Terapan) Jurnal Infomedia SENTIA 2017 KACANEGARA Jurnal Pengabdian pada Masyarakat Jurnal Teknologi Informasi dan Terapan (J-TIT) Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Jurnal of Applied Multimedia and Networking Journal of Applied Computer Science and Technology (JACOST) Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Jurnal Desain dan Analisis Teknologi Bulletin of Social Informatics Theory and Application Aspirasi : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat Scientific Journal of Informatics JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Dwi Ely Kurniawan
Politeknik Negeri Batam
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Development of an IoT-Based Smart Cane with Non-Invasive Health Monitoring for Elderly Care in Batam Putera, Dimas Akmarul; Adi, Roni; Kurniawan, Dwi Ely; Leman, Abdul Mutalib; Raynold, Raynold
Journal of Applied Informatics and Computing Vol. 9 No. 5 (2025): October 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i5.11107

Abstract

The rapid growth of the elderly population requires assistive technologies that support mobility, health, and safety. This study presents the development of an IoT-based smart cane designed to enhance elderly independence and health monitoring in Batam, Indonesia. The prototype integrates non-invasive health sensors (MAX30102 for heart rate and SpO₂, MLX90614 for temperature, and a non-invasive glucose sensor), a GPS module, a mini-CCTV with two-way audio, and a solar-powered energy system, all controlled by an ESP32 microcontroller connected to the Blynk IoT platform. Ergonomic design was guided by anthropometric data of Indonesian elderly to ensure user comfort and usability. Experimental results demonstrated stable performance of the integrated modules. Heart rate values ranged from 86–103 BPM (mean 89.5 ± 6.2 BPM), blood glucose estimations from 110–112 mg/dL (mean 111 ± 0.9 mg/dL), and body temperature from 36.9–37.1 °C (mean 37.0 ± 0.1 °C), all of which aligned closely with clinical references. Oxygen saturation readings, however, averaged 89 ± 0.8%, slightly below the clinical norm (≥95%), highlighting the need for sensor calibration. Dynamic testing of the GPS module across a 500-meter route achieved positional accuracy within 3–5 meters, while the CCTV system successfully streamed live video but was dependent on WiFi stability.The novelty of this research lies in the unique combination of locally adapted ergonomic design, multi-sensor non-invasive health monitoring, two-way visual and audio communication, GPS tracking, and renewable energy integration within a single portable device. These contributions not only enrich IoT-based healthcare research but also provide practical solutions tailored to elderly care in Indonesia. Future work will focus on clinical-grade validation of sensors, extended field trials, and the integration of predictive analytics using Machine Learning and Fuzzy Logic.
Analisis Hasil Teknik Penyembunyian Hak Cipta Menggunakan Transformasi DCT dan RSPPMC pada Jejaring Sosial Kurniawan, Dwi Ely; Hartadi, Nanda Rachmat; Prasetyawan, Purwono
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 5 No 3: Juni 2018
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (74.71 KB) | DOI: 10.25126/jtiik.201853692

Abstract

Perkembangan teknologi internet memberikan kemudahan dalam aktifitas sehari-hari dalam mendapatkan data digital. Seseorang dengan mudah berhak mengklaim data digital sehingga dapar menimbulkan masalah dalam hak cipta suatu data. Salah satu metode yang dikembangkan dalam penelitian ini menggunakan watermark invisible dan digital signature. Teknik penyisipan watermark menggunakan transformasi Discrete Cosinus Transform (DCT) dan Randomly Sequenced Pulse Position Modulated Code (RSPPMC). Hasil dari penelitian diperoleh bahwa dilakukan pengujian pada citra RGB dan grayscale pada masing-masing file JPG dan BMP diperoleh nilai PSNR, dimana untuk file JPG mencapai 54,97 dB dan untuk file BMP mencapai 56,11 dB. Nilai PSNR yang dihasilkan diperoleh bahwa kualitas citra cukup baik, terlihat dari hasil dari histogram analysis citra, sebelum disisipi dan sudah disisipi tidak mengalami perubahan yang mencolok. Pengujian dilakukan dengan upload ke media jejaring sosial, menunjukkan media jejaring Line, Facebook, Flicker, Google Photo, Photo Bucket, TinyPic, dan Imgbb berhasil didecode ulang. Namun pada media jejaring Instagram, Twitter dan Whatsapp gagal didecode ulang, karena jejaring sosial tersebut melakukan kompresi terhadap file citra.   AbstractThe development of Internet technology provides convenience in everyday activities in obtaining digital data. One can easily claim the digital data so that it can cause problems in the copyright of a data. One of the methods developed in this research uses invisible watermark and digital signature. The watermark insertion technique uses Discrete Cosinus Transform (DCT) transformation and Randomly Sequenced Pulse Position Modulated Code (RSPPMC). The result of this research shows that the test on RGB and grayscale image in each JPG and BMP file is obtained by PSNR value, where for JPG file reach 54,97 dB and BMP file reach 56,11 dB. The resulting PSNR values obtained that the image quality is good enough, seen from the results of the histogram analysis image, before inserted and has been inserted did not change significantly. Testing is done by uploading to social networking media, showing network media Line, Facebook, Flicker, Google Photo, Photo Bucket, TinyPic, and Imgbb successfully decoded. But on network media Instagram, Twitter and Whatsapp failed to be decoded again, because the social networking compression of image files.  
Instalasi Jaringan Internet dan Panel Surya Untuk Pengontrolan Absensi Siswa dan Keamanan CCTV di Masjid Dzikri, Afdhol; Kurniawan, Dwi Ely; Resda, Dodi Prima
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol. 5 No. 2 (2023): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimaspolibatam.v5i2.6875

Abstract

Nowadays, the application of technology in mosques is important to help the smooth running of activities. Miftachul Jannah Mosque, Duriangkang Village, Sungai Beduk Subdistrict, Batam City seeks to overcome two main problems; first, the repeated theft of charity box money. Second, there are frequent power outages that disrupt the recitation process. As a solution, the service team conducted research aimed at improving security and electricity availability through the installation of internet networks and solar panels, which are integrated with CCTV systems. The object of this research focuses on the application of technology in the mosque environment to ensure the continuity of religious activities without obstacles. The Participatory Rural Appraisal (PRA) method was applied to design and implement the system with the participation of mosque administrators and teachers. The results show that the utilization of solar power generation significantly supports the operation of electronic equipment, such as street lighting and power sources for wifi routers and CCTV. The implementation of this system has proven to provide tangible benefits, in the form of a reliable source of renewable energy and increased security functions through internet-connected CCTV, which also supports the teaching and learning process with an online attendance system for TPQ students. And the administrators and teachers are satisfied with this service.
Optimizing Inventory Management: Data-Driven Insights from K-Means Clustering Analysis of Prescription Patterns Dermawan, Aulia Agung; Ansarullah Lawi; Putera, Dimas Akmarul; Kurniawan, Dwi Ely; Ummatin, Kuntum Khoiro; Jorvick Steve
Scientific Journal of Informatics Vol. 11 No. 3: August 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v11i3.8690

Abstract

Purpose: The goal is to improve how inventory is managed in healthcare by using K-Means clustering to analyze prescription trends. This approach helps ensure better stock availability, streamlines operations, and ultimately increases sales opportunities. Methods: This research applied the K-Means clustering algorithm to analyze a comprehensive dataset of prescription behaviors from XYZ Clinic. By grouping similar prescriptions into clusters, this method highlighted patterns within the data. These insights led to the identification of unique prescription categories, enabling the creation of tailored recommendations for improving inventory management. Result: The analysis showed that Cluster 1 should be prioritized for inventory management due to its high sales potential and consistent prescription patterns. It is recommended to increase stock for the medications in Cluster 1 to improve inventory turnover and streamline clinical operations. These findings underscore the value of K-Means clustering in healthcare, especially for enhancing inventory management and operational efficiency. Novelty: This research presents a novel application of K-Means clustering in healthcare, focusing on prescription patterns and inventory management. While previous studies have primarily used K-Means clustering for areas such as risk assessment and logistics, this study provides valuable data-driven insights to improve inventory management strategies in healthcare. The results highlight how clustering methods can support better decision-making and resource allocation, ultimately leading to greater operational efficiency and improved patient care.
Program pengabdian guru dan tata usaha TK/RA di Batam Kurniawan, Dwi Ely; Dzikri, Afdhol
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 5, No 1 (2022): Januari
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v5i1.1052

Abstract

Guru dan tata usaha merupakan ujung tombak dalam pengembangan peserta didik. Namun, banyak guru yang masih mengalami kesulitan mengikuti perkembangan berbagai metode baru dalam pembelajaran terutama pada anak PAUD. Sistem inventarisasi data di sekolahpun masih menggunakan cara konvensional (mencatat di kertas). Guru PAUD dituntut untuk selalu kreatif dalam membuat media pembelajaran yang tepat sesuai perkembangan anak. Staf administrasi (TU) dituntut untuk mengikuti perkembangan teknologi informasi. Metode pelaksanaan dalam program ini meliputi tahap persiapan, tahap pelaksanaan dan tahap evaluasi. Tahap persiapan membuat kesepakatan untuk mengalokasikan waktu dan tempat selama program pelatihan dan pendampingan. Selain itu menganalisis kebutuhan dengan melihat spesifikasi perangkat yang sudah ada dan sistem yang sudah berjalan. Tahap pelaksanaan berupa program pelatihan dan pendampingan untuk guru dan tata usaha di Batam. Pada tahap evaluasi, dievaluasi program pelatihan dan pendampingan secara keseluruhan. Harapannya setelah pelatihan dan pendampingan, guru TK / RA dan tata usaha memiliki kemampuan dalam penguasaan media IT maupun online untuk lebih kreatif dan inovatif dalam menyiapkan pembelajaran yang sesuai dengan perkembangan anak. Selain itu dapat terjalin kerjasama mitra secara kontinuitas.
IoT Application Development for Marine Debris Management in 3T Islands: Supporting a Circular Economy and Community Empowerment Hernando, Luki; Lawi, Ansarullah; Dermawan, Aulia Agung; Aritonang, Mhd Adi Setiawan; Ad, Roni; Kurniawan, Dwi Ely; Manurung, Putriana Carona; Putri, Intan Medisi
Journal of Applied Informatics and Computing Vol. 10 No. 1 (2026): February 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i1.11699

Abstract

Marine debris is a serious problem, especially in the outermost, foremost, and least developed (3T) islands of Indonesia, where limited infrastructure and low public awareness are the main obstacles to effective waste management. This study aims to design, develop, and evaluate an Internet of Things (IoT)-based application integrated with a community-based web platform to support circular economy practices and community empowerment in marine debris management. The research method used is Research and Development (R&D) adapted from Borg & Gall, starting from the needs analysis stage to dissemination. An IoT module equipped with ultrasonic and GPS sensors is used to detect container capacity and location in real-time. Performance testing results show a response time of 1.8 seconds, a data transmission success rate of 98.7%, and a capacity detection accuracy of 96.2%, which meets the established technical standards. User acceptance testing using the Technology Acceptance Model (TAM) involving 15 respondents resulted in an average Perceived Usefulness (PU) score of 4.40 and Perceived Ease of Use (PEOU) of 4.23. Pearson's correlation analysis showed an r value of 0.84 (p = 0.0001), indicating a very strong and significant positive relationship between ease of use and perceived usefulness. This finding confirms that the developed system is technically reliable, easy to use, and capable of promoting environmental sustainability and economic opportunities in the 3T island communities.
Design and Implementation of an IoT-Based Low-Emission Mobile Plastic Melting Machine for Sustainable Paving Block Production in Batam City Lawi, Ansarullah; Aranski, Alvendo Wahyu; Burhan, Rifa’atul Mahmudah; Hernando, Luki; Aritonang, Muhammad Adi Setiawan; Dermawan, Aulia Agung; Kurniawan, Dwi Ely; Leman, Abdul Mutalib
Journal of Applied Informatics and Computing Vol. 10 No. 1 (2026): February 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i1.12044

Abstract

Plastic waste accumulation poses a severe environmental burden, particularly in urban and archipelagic regions where centralized treatment infrastructure is limited. While thermal processing offers a pathway for volume reduction and material recovery, inadequate temperature control frequently leads to uncontrolled combustion and the formation of hazardous air pollutants. This study addresses this gap by developing and experimentally validating a low-emission, IoT-enabled mobile plastic melting system designed for decentralized paving block production. The proposed system integrates real-time thermal sensing using a K-type thermocouple and an ESP32-based controller with a compact three-nozzle water spray filtration unit. The control architecture maintains the melting process at approximately 270 °C, thereby preserving polymer viscosity for molding while preventing temperature excursions beyond 300 °C that may initiate combustion and toxic by-product formation. The filtration module operates as a simplified wet scrubber, capturing airborne particulates and simultaneously cooling the exhaust stream. Experimental evaluations confirm that the integrated control–filtration framework achieves stable thermal regulation and substantial suppression of visible exhaust emissions. Under these conditions, molten plastic was consistently transformed into dense paving blocks with smooth surface morphology and without evidence of polymer degradation or charring. The results demonstrate that combining IoT-based thermal governance with low-cost water-spray emission control provides an effective and scalable alternative to open burning for community-level plastic waste recycling. This mobile platform enables environmentally safer conversion of plastic waste into value-added construction materials, offering a practical pathway toward decentralized circular-economy implementation in resource-constrained regions.
Co-Authors ., Jaswin Abie Pratama Ad, Roni Adi, Roni Adian Fatchur Rohim Afdhol Dzikri Agung Riyadi Agus Fatulloh Agus Fatulloh Ahmad Hamim Thohari Ahmad Hamim Tohari Alvendo Wahyu Aranski Andikha, Andikha Ardilla, Thania Ari Novriansyah Aritonang, Muhammad Adi Setiawan Arnomo, Sasa Ani Atalarik Ramli Aulia Agung Dermawan Azis Saputra Bagus Wardana Bisma Khairunnas Budi Arif Dermawan Burhan, Rifa’atul Mahmudah condra antoni Defriyanuar Dhining Desi Ratna Sari Dian Nurdiansyah Dimas Akmarul Putera Dodi Prima Resda Dodi Prima Resda Dwila Sempi Yusiani Eka Mutia Lubis Evita S.Tr.Kom Fadila, Aminudin Fadli Suandi Fauziah Mahmuda Finkye Priya Gunadi Firmal Firmal Hamdani Arif Handry Elsharry Adriyanto Hartadi, Nanda Rachmat Herman, Nanna Suryana Hernando, Luki Heru Wijanarko Hilda Widyastuti Iqbal Maulana Jaman, Jajam Haerul John Friadi Jorvick Steve Kerobaganet Kerobaganet Kusworo Adi Lawi, Ansarullah Leman, Abdul Mutalib M. Yudha Putra Maidel Fani Manurung, Putriana Carona Marga Raharja, Adyk Marselina, Sonia Maryani Septiana Maya Armys Roma Sitorus Mhd Adi Setiawan Aritonang Mira Chandra Kirana Mirza Oktanizar Muchammad Fajri Amirul Nashrullah Muchammad Fajri Amirul Nashrullah Muhamad Naharus Surur Muhammad Agus Muljanto Muhammad Idris Muhammad Nashrullah Muhammad Zainuddin Lubis Narupi Narupi Narupi Narupi, Narupi Nelmiawati, Nelmiawati Nur Cahyono Kushardianto Nur Cahyono Kushardianto Nur Imma Aulia Astori Permatasari, Ismi Aprilianti Prasetyawan, Purwono Pujiyono Pujiyono Putri, Intan Medisi Rafi Dio Raynold, Raynold Resda, Dodi Prima Ridho Hafiedz Rifaldi Herikson Rina Yulius Riwinoto, Riwinoto Rizky Pratama Hudhajanto Rizky Pratama Hudhajanto Rokhayati, Yeni Satriya Bayu Aji Selly Tri Amanda Siahaan, Arta Uly Sudra Irawan Supardianto Supardianto Syafarudin Fani Tian Havwini Ummatin, Kuntum Khoiro Uuf Brajawidagda Vonega, Defangga Aby Wenang Anurogo Wirabuana Sakti Yan Prada Hasibuan Yosi Handayani Yuni Roza