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All Journal JOURNAL OF APPLIED INFORMATICS AND COMPUTING ILKOM Jurnal Ilmiah Respati Jurnal Abdi Insani Journal of Soft Computing Exploration JTECS : Jurnal Sistem Telekomunikasi Elektronika Sistem Kontrol Power Sistem dan Komputer Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Jurnal Pengabdian Mitra Masyarakat (JPMM) SmartComp Intechno Journal : Information Technology Journal SWAGATI: Journal of Community Service
Bernadhed, Bernadhed
Universitas Amikom Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Layered Authentication Optimization in IoT-Based Package Receiving System using Voice-Trigger and PIN Verification Mulia Sulistiyono; Muhtar Efendi; Uyock Anggoro Saputro; Bernadhed Bernadhed
Journal of Applied Informatics and Computing Vol. 10 No. 3 (2026): June 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i3.12228

Abstract

The rapid growth of courier and e-commerce services has increased the risk of package delivery problems, including unattended deliveries, package theft, and fraudulent claims by unauthorized recipients. To address these issues, this paper proposes the design and implementation of an Internet of Things (IoT)–based package receiving system that integrates voice recognition, PIN-based authentication, and remote monitoring capabilities. The proposed system employs a voice recognition module as an initial access trigger, followed by a keypad-based PIN verification derived from the package tracking number to enhance access security. A servo-controlled locking mechanism is used to physically open and close the package container, while real-time notifications and remote control are provided through a Telegram bot. The system supports two access modes: local access using voice commands and PIN input, and remote access via Telegram-based commands. System development follows a prototyping approach, and performance evaluation is conducted through functional testing, connectivity testing, and voice recognition accuracy measurements. Experimental results show that the voice recognition module achieves an average recognition accuracy of 74%, with recognition performance decreasing as the distance between the sound source and the microphone increases. Connectivity testing indicates that network latency remains within an acceptable range for distances up to 20 meters. Functional testing confirms that the locking mechanism, authentication process, and notification system operate reliably under defined test scenarios. The results demonstrate that the proposed system can serve as a practical IoT-based solution for improving package reception security and monitoring. However, the system is intended as a supportive security mechanism and does not replace advanced authentication or surveillance systems.
Terrain Modeling Environment Design Using Height Maps and Displacement in a 3D Scene Bernadhed, bernadhed; Nainggolan, Michael Hizkia
Jurnal Sistem Telekomunikasi Elektronika Sistem Kontrol Power Sistem dan Komputer Vol 6 No 2 (2026): JTECS Juli 2026
Publisher : FAKULTAS TEKNIK UNIVERSITAS ISLAM KADIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32503/jtecs.v6i2.8918

Abstract

This study aims to design a 3D terrain modeling environment in the “Silent Mountain” scene using height maps and displacement mapping techniques to enhance visual realism. The main challenge in large-scale terrain modeling lies in the high computational cost caused by manual sculpting methods. The proposed method integrates 32-bit height map data into Blender using displacement and adaptive subdivision techniques. The workflow includes pre-production, production, post-production, and evaluation using a Likert scale. The results indicate that displacement mapping produces more realistic geometry while maintaining computational efficiency compared to manual methods. Adaptive subdivision further optimizes polygon usage dynamically. The evaluation result reached 82%, categorized as very good. This study contributes an effective workflow for developing 3D environments based on elevation data.
Co-Authors Acihmah Sidauruk Adjie, Resnafian Khrisna Alva Hendi Muhammad Bimantara, Aria Wangsa Eko Pramono Elik Hari Muktafin Fansyah, Rizki Hanif Fauzi, Moch Farid Febri Liantoni, Febri Fuady, Muhammad Dzikri Hasyim, Jaka Wardana Ihwanudin, Ihwanudin Jeki Kuswanto Kusrini Laelangge, M. Johan Mahendra, Ega Majid Rahardi Mansur, Ahmad Farid Muhtar Efendi Muktafin, Elik Hari Mulia Sulistiyono Mulya, Raffi Indra Nainggolan, Michael Hizkia Negara, Putri Abdi Novita Indriyani Nuryanto, Niko Satia Pamungkas, Pantra Rizal Putri, Swandaru Reza Rahman, Jairufi Ramadhan, Ardyansyah Rizqi Sukma Kharisma Saputro, Uyock Anggoro Setiawan, Supriyanto Eka Setyawan, Yoga Fitri Simanungkalit, Basten Hugo Sutarni, Sutarni Uyock Anggoro Saputro Uyock Anggoro Saputro Wiwi Widayani, Wiwi Yossy Ariyanto Yusuf Affandi, Yusuf