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All Journal IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Coding: Jurnal Komputer dan Aplikasi Jurnal Edukasi dan Penelitian Informatika (JEPIN) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JurTI (JURNAL TEKNOLOGI INFORMASI) Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat JATI (Jurnal Mahasiswa Teknik Informatika) JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Djtechno: Jurnal Teknologi Informasi JIKTI : Jurnal Ilmiah Komputer Terapan dan Informasi CONSEN: Indonesian Journal of Community Services and Engagement Jurnal Informatika: Jurnal Pengembangan IT Mekongga: Jurnal Pengabdian Masyarakat Media of Computer Science Jurnal Komputer, Informasi dan Teknologi
Hirzen Hasfani
Universitas Tanjungpura
Religion Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Medicine & Pharmacology Physics Public Health Social Sciences Other

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Introduction and Implementation of the Internet of Things for Students Vocational High School 1 Punggur Besar Hirzen Hasfani; Uray Ristian; Hafiz Muhardi; Kasliono; Cucu Suhey; Tedy Rismawan; Ikhwan Ruslianto; Rahmi Hidayati; Syamsul Bahri; Dwi Marisa Midyanti; Irma Nirmala; Suhardi; Kartika Sari
MEKONGGA: Jurnal Pengabdian Masyarakat Vol. 3 No. 1 (2026): April 2026 (In Progress)
Publisher : Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mekongga.v3i1.265

Abstract

The training program “Introduction and Implementation of IoT” at Vocational High School(VHS) 1 Punggur Besar aims to enhance students’ understanding and practical skills in developing IoT-based systems. The training introduces key IoT concepts, components such as sensors, actuators, and microcontrollers, and how devices communicate via the internet. Through hands-on sessions, students create simple projects like temperature and humidity monitoring systems, smart lighting, and sensor-based notifications. This program helps students build technical competence in hardware assembly and IoT programming while fostering creativity and problem-solving abilities. As a result, students gain better readiness to face industrial demands that rely on digital technologies and are encouraged to innovate in applying IoT to real-world challenges.
Driver Drowsiness Bracelet Using Heart Rate Sensor and Arduino Uno Lesmana Dwi Prayudha; Uray Ristian; Hirzen Hasfani
Media of Computer Science Vol. 2 No. 2 (2025): December 2025
Publisher : CV. Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mcs.v2i2.247

Abstract

Traffic accidents are incidents on the road that result in material losses or fatalities, and approximately 69.7% of them are triggered by human error. One of the dominant factors is reduced alertness due to drowsiness, which can develop into microsleep—a brief loss of consciousness that often goes unnoticed by drivers. Since microsleep is associated with physiological changes such as a decrease in heart rate during the early phase before falling asleep, heart-rate signals serve as an important indicator for monitoring drowsiness. This study develops a driver drowsiness monitoring system based on a heart-rate sensor packaged in a wristband and controlled by an Arduino Uno. A pulse sensor operating on the Photoplethysmography (PPG) principle is used as the main input, while a signal-filtering mechanism is incorporated to reduce noise caused by hand movement, ensuring stable data quality. The system implementation successfully produced clean and consistent heart-rate signals that can be processed to identify drowsiness indicators without significant interference. Testing results show that the designed system is capable of monitoring heart-rate activity effectively and providing valid indicators of drowsy conditions. Overall, the device demonstrates strong potential as a practical solution to help prevent accidents caused by microsleep.
Implementation of Blockchain Technology for Securing Data Point Transactions in an IoT-Based Waste Sorting System Naufal Raihan Elriza; Kasliono Kasliono; Hirzen Hasfani
Media of Computer Science Vol. 2 No. 2 (2025): December 2025
Publisher : CV. Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mcs.v2i2.249

Abstract

An Internet of Things (IoT) based waste sorting device awards points to users who dispose of waste through it, as long as the user is registered in the system. However, despite these benefits, this system is vulnerable to various forms of cybercrime. One such challenge is the rise of data manipulation and cyberattacks such as sql injection and threats from internal parties (Insider Threats). This research aims to secure point data transactions in an Internet of Things (IoT) based waste sorting system integrated with blockchain technology to improve security in recording user point data. Tests were conducted to ensure that point data sent from IoT devices were successfully recorded on the blockchain network permanently and verified through transaction hashes in etherscan and to prevent sql Injection and Insider Threat attacks in attempts to illegally alter data. The results of the data transmission test to the blockchain network, which was carried out 30 times, showed that each transaction was successfully recorded and provided a transaction hash. In addition, the attack test, which was carried out 30 times, each attack resulted in a notification with the text “[PERINGATAN] Terjadi Percobaan Pengubahan Poin " in red. Using the blockchain network, both attacks failed to alter user points
IMPLEMENTASI CHANGE DETECTION UNTUK EFISIENSI PENGIRIMAN PAKET DATA PADA IOT MASTER-SLAVE DI GREENHOUSE Uray Ristian; Hirzen Hasfani; Uray Syaziman Kesuma Wijaya
Djtechno: Jurnal Teknologi Informasi Vol 5, No 3 (2024): Desember
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/djtechno.v5i3.4914

Abstract

Greenhouse adalah bangunan yang secara khusus dirancang untuk melindungi tanaman dari kondisi lingkungan eksternal yang tidak menguntungkan, serta mengatur lingkungan internal guna menciptakan kondisi ideal yang mendukung pertumbuhan tanaman secara optimal. Namun, sistem monitoring konvensional di Greenhouse mengalami masalah tingginya penggunaan kuota internet dan packet loss akibat ketergantungan pada WiFi access point (AP). Dalam penelitian ini, dikembangkan sebuah sistem monitoring tanaman di Greenhouse menggunakan arsitektur master-slave menggunakan protokol ESP-NOW untuk mengatasi masalah packet loss. Selain itu, algoritma change detection diterapkan pada node master guna mengurangi pengiriman data yang redundan serta memperkecil ukuran paket data yang dikirimkan. Hasil pengujian menunjukkan bahwa tingkat packet loss mencapai 1,43% dari total 222.793 pengiriman data selama tiga hari, yang termasuk dalam kategori "sangat bagus" menurut standar TIPHON. Algoritma change detection juga berhasil mengurangi estimasi penggunaan kuota internet bulanan hingga 82,4 MB. Sistem yang dikembangkan ini terbukti efektif dan efisien dalam memantau kondisi lingkungan tanaman dengan tingkat keandalan yang tinggi, sekaligus mampu menghemat penggunaan kuota internet.
Co-Authors Abdahu, Muhammad Raymount Akbar, Rachmat Ali Arista, Agamita Sasya Cahyani Brayen Frengki Dinata Budiman, Andi Cucu Suhery Cucu Suhey Dwi Marisa Midyanti Fadhil, Muhammad Fikri Farrel Daffana Gloria, Bela Priska Hafiz Muhardi Halawa, Yasman Ikhwan Ruslianto Irma Nirmala Kartika Sari Kasliono Kasliono Kasliono Kesuma Wijaya, Uray Syaziman Lesmana Dwi Prayudha Mardhani Riasetiawan Marisa Midyanti, Dwi Marsisto, Balo Yuberlian Muhammad Luthfi Naufal Raihan Elriza Oktaviani, Sarah Rafli Ramadhan Rohendi Rahmi Hidayati Raihan, Muhammad Rasyid HS, Zubair Ridwan, Muhammad Taufik Saputra, Maulida Nandar Septiana, Siaudila Anisa Dewi Sofiumayroh, Hamidah Suhardi Suhardi Syamsul Bahri Syamsul Bahri Tedy Rismawan Uray Ristian Uray Ristian Uray Syaziman Kesuma Wijaya Wijaya, Uray Syaziman Kesuma