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Journal : Computer

SISTEM DETEKSI POLUSI UDARA BERBASIS INTERNET OF THINGS Muhammad Nur Sapi'i; Sitohang, Sunarsan
Computer Science and Industrial Engineering Vol 12 No 2 (2025): Comasie Vol 12 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v12i2.9665

Abstract

Air pollution is one of the most pressing environmental issues, especially in urban and industrial areas such as Batam City, which experiences high pollution levels due to vehicle and industrial activities. This condition significantly impacts public health, including an increased potential for respiratory diseases, asthma, and lung cancer. Therefore, an effective solution is required to monitor air quality in real-time. This research aims to develop an air pollution detection and monitoring system based on the Internet of Things (IoT) that can provide accurate and easily accessible information. The methodology employed in this study includes prototyping and literature review to understand air pollution concepts, IoT, and sensor technologies. The system is designed using MQ-2, MQ-135, and GP2Y1010AU0F sensors to detect harmful gases such as carbon monoxide, carbon dioxide, and particulate matter. The data collected by the sensors is transmitted through an IoT network and displayed on the Telegram application. This application enables users to monitor Track air quality in real-time and get alerts when the air quality changes reaches unhealthy levels. The test results show that the system effectively detects air quality changes. Notifications sent via Telegram align with measurement results displayed on the hardware. This system provides a practical and efficient solution for monitoring air quality in various locations, including industrial areas, urban settings, and public spaces. This research is expected To enhance public awareness of the hazards of air pollution and motivate action to reduce its impact.
PERANCANGAN SISTEM ABSEN BERBASIS FACE RECOGNITION Manik, Yosep Pangihutan; Sitohang, Sunarsan
Computer Science and Industrial Engineering Vol 12 No 4 (2025): Comasie Vol 12 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v12i4.9863

Abstract

The rapid advancement of face recognition technology offers potential solutions for inefficient manual attendance systems, such as the one at SMK Tunas Muda Berkarya Vocational School, which relies on time-consuming, error-prone methods. This study aimed to design and implement an automated attendance system using face recognition to enhance accuracy and efficiency. Employing Python, OpenCV, and the Eigenface method with Principal Component Analysis (PCA), the system integrated Viola-Jones algorithm for face detection and Haar-like features for training. UML diagrams guided the design, while Black Box Testing validated functionality. Results demonstrated successful implementation with 15 students, achieving efficient real-time attendance recording and reduced processing time. However, accuracy depended on optimal lighting and frontal face positioning. The conclusion affirms the Eigenface method’s effectiveness in automating attendance, significantly improving over manual systems. Future recommendations include optimizing environmental adaptability, integrating mobile platforms, and enhancing user interaction features for broader applicability. This research underscores the viability of biometric systems in educational institutional management.
PROTOTYPE SISTEM MONITORING KESEHATAN TUBUH MENGGUNAKAN IOT BERBASIS ANDROID Abdul Razaq Fatta Utama; Sunarsan Sitohang
Computer Science and Industrial Engineering Vol 12 No 4 (2025): Comasie Vol 12 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v12i4.9865

Abstract

IoT (Internet of Things) is a concept that utilizes the internet network to connect various devices into a machine and allows these devices to operate automatically by collecting data in real time. body accurately and quickly. The heart works as a blood pumping device and is a very fatal organ if it does not work properly. This condition is a heart disorder which involves a delay in blood supply to the heart muscles because the blood vessels are blocked and the heart becomes abnormal. Heart problems or abnormal functioning of the heart can result in a 50% death rate. However, some people have difficulty reaching hospitals because they live in rural areas. Thus, it is hoped that today's advanced technology can help make the work of nurses easier and can help the medical field work in diagnosing patients quickly and precisely, and can be reached by all people, such as health monitoring tools based on body temperature. This tool can diagnose normal or abnormal heart conditions based on detection sensors connected to the device using network media and uses Android as a platform that provides an intuitive interface so that it can be adjusted to the needs or desires of a client or researcher. In this way, a Prototype tool is created, which is an initial design model for a design before increasing product sales.