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All Journal INTECOMS: Journal of Information Technology and Computer Science Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Jurnal Informatika Global Jurnal Ekonomi Manajemen Sistem Informasi Jurnal Sistem Komputer dan Informatika (JSON) JOINT (Journal of Information Technology Jurnal Locus Penelitian dan Pengabdian JAPI: Jurnal Akses Pengabdian Indonesia International Journal of Multidisciplinary Approach Research and Science Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics
Bagus Alit Prasetyo
Universitas Widyatama, Bandung, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Health Professions Immunology & microbiology Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Other

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Analisis Link Aggregated Group Interface Pada Switch Untuk Sistem Link Redudancy Di Universitas Widyatama Rahman, Atep Aulia; Fauzi, Esa; Prasetyo, Bagus Alit; Utomo, Bimo Cokro
Jurnal Ilmiah Informatika Global Vol. 14 No. 3
Publisher : UNIVERSITAS INDO GLOBAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jiig.v14i3.3561

Abstract

Widyatama University is a Legal Entity Private Higher Education Institution under the main institution of the Ministry of Education, Culture, Research and Technology (Kemendikbudristek). Providing superior private universities is one of the results of performance, management and maintaining service quality. Link Redundancy is one of the technologies in the network that is used to maintain the stability of a network connection by using several physical network paths simultaneously. Link Redundancy is needed for performance and services to run well. Link Aggregation Group (LAG) is one of the link redundancy models whose way of working is to combine several physical interfaces into a single interface at the Layer 2 network layer (Data Link Layer). Implementation of Link Aggregation Group (LAG) makes network connections more secure by increasing bandwidth, dividing bandwidth loads, increasing network path availability, and having a minimal risk of data duplication of data errors.
Rancang Bangun Smart Akuarium Ikan Hias Discus Berbasis Internet Of Things Prasetyo, Bagus Alit; Agung Syukur
Jurnal Ilmiah Informatika Global Vol. 15 No. 2: Agustus 2024
Publisher : UNIVERSITAS INDO GLOBAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jiig.v15i2.3877

Abstract

Discus ornamental fish have become a popular hobby among ornamental fish fans. However, to maintain optimal conditions for Discus fish, proper maintenance and careful monitoring are necessary. Therefore, in order to be able to keep discus fish easily, a detection system that utilizes Internet of Things-based technology is needed to ensure fish welfare and water quality. This system uses temperature, pH, Ultrasonic sensors to measure and monitor water conditions. In this research the author developed a smart aquarium for ornamental discus fish based on the Internet of Things with a data transmission mode via a wireless network or (wifi) and integrated with a mobile application platform. With real-time monitoring, it is hoped that we can monitor and maintain aquarium conditions more effectively, reduce the risk of stress in fish, and increase the chances of success in keeping Discus fish. Based on the results of the tests carried out, the system can provide feed and water changes automatically based on the time the user has set in the mobile application. Sensor reading results in the form of temperature, PH and water level values can be monitored easily on the 20x4 LCD and mobile applications in real time.
Edge-Based Person Detection Using MobileNetV2 on ESP32-CAM for Home Surveillance System Purnama, Adi; Indriani; Alit Prasetyo, Bagus; Nugraha, Agitama
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 7 No. 3 (2026): Maret 2026
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v7i3.9619

Abstract

Affordable home surveillance systems increasingly require on-device intelligence to mitigate privacy risks, network dependency, and response latency associated with cloud-based video analytics. This research develops an edge-based person detection system utilizing a quantized MobileNetV2 architecture (α = 0.1) deployed on an ESP32-CAM module, integrated with the Message Queuing Telemetry Transport (MQTT) protocol for real-time alert delivery. To construct the dataset, image data were collected via a motion-triggered acquisition setup employing a passive infrared (PIR) sensor, resulting in a total of 500 manually labeled images categorized into person and non-person classes. The model was trained in over 40 epochs with a learning rate of 0.001, utilizing data augmentation and INT8 quantization to optimize embedded deployment. Performance was evaluated using a 23% testing split (116 unseen images), yielding an overall accuracy of 78.45%. For the person class, the model achieved 90.00% precision, 77.78% recall, and an 83.44% F1-score. On-device deployment via TensorFlow Lite required a peak RAM of 485.4 KB and 102.1 KB of flash memory. The average inference time was recorded at 1018 ms per frame, which limits continuous high-framerate processing but remains feasible for basic surveillance at approximately 1 frame per second. Finally, MQTT communication via an EMQX broker successfully transmitted detection alerts and image links to a mobile application for real-time monitoring and storage.
Pengembangan dan Pendampingan Aplikasi Absensi QR Code Untuk Monitoring Kehadiran Guru di SD Muhammadiyah Calingcing Prasetyo, Bagus Alit; Purnama, Adi; Rahman, Atep Aulia; Fauzi, Esa
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 3 (2025): Jurnal Ekonomi Manajemen Sistem Informasi (Januari - Februari 2025)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jemsi.v6i3.3842

Abstract

Proses absensi guru di SD Muhammadiyah Calingcing masih dilakukan secara manual dengan mencatat kehadiran pada buku absensi. Untuk mengatasi permasalahan tersebut, dirancang dan diimplementasikan aplikasi absensi berbasis QR Code. Sistem ini melibatkan dua platform utama, yaitu aplikasi mobile untuk guru yang digunakan dalam pemindaian QR Code guna mencatat kehadiran, dan aplikasi berbasis web untuk pemantauan dan pembuatan laporan otomatis oleh kepala sekolah atau staf administrasi. Tahapan kegiatan meliputi konsultasi untuk memetakan kebutuhan, pengembangan aplikasi yang melibatkan integrasi melalui RESTful API, dan simulasi ilmu pengetahuan dan teknologi melalui pelatihan penggunaan serta uji coba sistem secara langsung. Hasil kegiatan menunjukkan bahwa sistem ini berhasil meningkatkan efisiensi, akurasi, dan kemudahan dalam pengelolaan kehadiran guru. Dampak positifnya meliputi digitalisasi proses absensi, penguatan kapasitas teknologi bagi pengguna, dan kemudahan Pemantauan real-time, yang mendukung transformasi digital di sektor pendidikan. Sistem ini juga memberikan peluang untuk dikembangkan lebih lanjut, seperti integrasi dengan sistem manajemen sekolah yang lebih luas. Kegiatan ini tidak hanya memberikan solusi teknologi yang strategis untuk kebutuhan sekolah tetapi juga memberikan kontribusi pada penguatan sektor riil masyarakat melalui penerapan teknologi modern yang relevan dengan perkembangan zaman.
Co-Authors Adi Purnama Agung Syukur Ari Purno Wahyu Wibowo Atep Aulia Rahman Candimadam Esa Fauzi Huynh, Phuoc-Hai Indriani Indriani Iwa Ovyawan Herlistiono Kusramdani, Rizky Luhur Bayuaji, Luhur Nugraha, Agitama Nuryana, Alif Pradhana, Risky Reza Robani, Husni Sikken, Aryo Mahendra Sriyani Violina Suhendri Suhendri Tumaruk, Andry Septian Syahputra Utomo, Bimo Cokro Viddi Mardiansyah Yenie Syukriyah