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Journal of Students‘ Research in Computer Science (JSRCS)
Published by Universitas Bhayangkara Jakarta Raya
ISSN : -     EISSN : 2722290X     DOI : https://doi.org/10.31599/jsrcs
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management
Jurnal ini berisi tentang karya ilmiah hasil penelitian mahasiswa bidang ilmu komputer bersama dosen pembimbingnya yang bertemakan: Algoritma, Augmented and Virtual Reality, Bahasa Komputasi, Computer Graphics, Game Teknologi, Mobile Computing, Operating Systems, Pengolahan Citra, Robotika, Sistem Pakar, Soft Computing, Software Engineering, Software Process and Life Cycle, Software Testing and Quality Assurance, System Software, User Experience (UX), User Interface (UI), Artificial Intelligence, Blockchain Technology, Business Intelligence, Cloud Computing, Computer Architecture, Computer Vision, Database Systems, Deep Learning, Human Computer Interaction, Digital Forensic, Internet of Things, IT Security, Machine Learning, Networking, Semantic Web, Sistem Terdistribusi, Systems Engineering, dan Wireless Network.
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 177 Documents
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Analisis Daya dan Performa Sistem Pengamanan Kendaraan Berbasis Internet of Things Mochamad Sidqon; Agung Kridoyono; Elvianto Dwi Hartono; Anton Breva Yunanda
Journal of Students‘ Research in Computer Science Vol. 6 No. 2 (2025): November 2025
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/9rsach90

Abstract

A power analysis and performance study of a vehicle safety system combines vehicle contactor control, battery voltage monitoring, and an automatic disconnect feature to maintain power stability. Quantitative system performance measurements using statistical and probability approaches included connection reliability, voltage drop patterns, current distribution, and the relationship between operating time and power consumption. A total of 300 observation data sets were collected from a controlled testing process. The results show that battery voltage drop follows a negative linear trend with a correlation coefficient of -0.54, indicating a moderate relationship between load duration and voltage degradation. Analysis of relay response probabilities and WiFi connectivity showed a 96.3% success rate and a 3.7% probability of connection failure under standard network conditions. The distribution of errors in voltage measurements tended to follow a log-normal pattern based on the Kolmogorov–Smirnov test. The findings confirm that the safety control system performs stably in most test scenarios, but requires specific optimization when peak currents occur
Sistem Pakan Otomatis Pada Kolam Lele Sangkuriang Menggunakan Motor Servo dan Wemos D1 R32 Syaputra Rama Adadio; Endang Retnoningsih; Slamet Raharjo
Journal of Students‘ Research in Computer Science Vol. 6 No. 2 (2025): November 2025
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/cjsna326

Abstract

The feeding system in Sangkuriang catfish aquaculture requires regular and appropriate feed distribution to support optimal fish growth. This study develops an automatic feeding system using the Wemos D1 R32 microcontroller integrated with a Load Cell sensor, a servo motor, a DC blower, and the Blynk application for remote operation. The research employed a prototyping method that included system design, hardware assembly, and field testing. The results indicate that the device is capable of performing scheduled feeding via Blynk and distributing feed effectively with a dispersion range of approximately 100 cm. These findings demonstrate that the developed system can support improved and sustainable aquaculture technology in automatic feeding management for Sangkuriang catfish cultivation.
Sistem Informasi Penjualan Mainan Menggunakan Algoritma Single Moving Average Berbasis Web Pada Rumah Hotwheels Karawang Muhammad Yazid; Dwipa Handayani; Prima Dina Atika
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/xwsvve27

Abstract

This study discusses the development of a web-based sales information system for Rumah Hotwheels Karawang by implementing the Single Moving Average (SMA) method to forecast inventory requirements. The system was developed to overcome problems related to manual transaction recording and inventory management. The application was developed using the Waterfall method and implemented with PHP and MySQL. Historical sales data were processed using the SMA algorithm to generate sales forecasts that support inventory management decisions. Black-box testing results showed that all system features, including inventory management, sales transactions, reporting, and forecasting, functioned according to user requirements. The system helps improve inventory management efficiency while reducing the risk of stock shortages and overstocking.
Pengujian Fungsional Sistem Rental Mobil Berbasis Web Menggunakan Metode Black Box Testing Dina Nabil Ayyasy; Apriade Voutama
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/1m0rcp70

Abstract

The development of web technology has supported digital transformation in various service sectors, including vehicle rental services. A web based car rental system was developed to simplify the process of vehicle booking, data management, and transaction handling. To ensure that the system functioned properly and met user requirements, software testing was conducted using the black box testing method. This testing method evaluated the system functionality by examining the outputs generated from user inputs without analyzing the internal structure of the program code. The testing process covered several main features of the system, including user registration, login authentication, vehicle booking, payment confirmation, and administrative data management. The results showed that all tested operated according to the expected outcomes. The system successfully processed valid input and provided appropriate responses to invalid or incomplete input. These findings indicated that the web based car rental system functioned properly and was able to support vehicle rental services effectively.  
Evaluasi Sistem Kinerja E-Tracking Pada Aplikasi Transjakarta Menggunakan Metode PIECES Azriel Yudha Pratama; Mely Mailasari
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/4p7gxt82

Abstract

GPS-based E-Tracking technology plays an important role in Transjakarta's operations by ensuring schedule accuracy and providing travel information to passengers. This study aims to evaluate the quality of the E-Tracking system in the Transjakarta application using the PIECES Framework (Performance, Information, Economics, Control, Efficiency, and Service). A mixed-methods approach was employed through a survey of 71 active users and interviews with Command Center officers. The results indicate that the E-Tracking system achieved a very high level of user satisfaction, with an average score of 4.37 (Very Satisfied category). The Information, Economics, Control, and Efficiency dimensions obtained the highest score of 4.40, while the Performance and Service dimensions scored 4.34 and 4.31, respectively. The main issues identified include data latency and the Ghost Bus phenomenon caused by signal disruptions in certain areas. Overall, the E-Tracking system functions effectively in supporting Transjakarta operations, although improvements in infrastructure and data processing are still needed to enhance service quality.
Analisis Clustering Data Mahasiswa Berdasarkan Nilai Akademik Menggunakan K-Means Muhammad Aliq Aulia; Kresno Ario Tri Wibowo; Irfan Nugraha; Ilham Wahyu Analta
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/kv0g1g94

Abstract

Academic data in higher education are mainly used for administrative purposes, rather than for meaningful insights. Yet, analyzing student grade data can reveal patterns that help institutions evaluate and improve development strategies. This study grouped student data by academic grades using the K-Means Clustering method. Grades from core courses underwent data collection, preprocessing, cluster number selection, and Clustering using K-Means. The results showed K-Means successfully clustered students by performance level. Each cluster reflected a category of academic ability: high, medium, or low. These results can help institutions monitor progress and design better academic guidance. Thus, applying K-Means may be effective for analyzing student academic data in higher education.
Pengujian Blackbox Testing Sistem Informasi Booking Studio Musik Berbasis Web Flavia Hana Alpriyan; Apriade Voutama
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/zzcsr907

Abstract

Digital transformation in the creative industry sector demands the existence of integrated service systems capable of adapting to user needs. However, the music studio booking process that is still done manually often leads to various obstacles, such as scheduling problems, data recording errors, as well as inefficient administrative management. This condition suggests the need for a system that can manage the booking process in a more structured and computerized manner.This study focuses on the development of a web-based music studio booking information system aimed at improving service efficiency as well as facilitating schedule management. The development method used is a waterfall model that includes the stages of needs analysis, designing, implementation, and testing. System testing is carried out using the Black Box Testing method by evaluating the conformance between the input and the output generated. The results of the study show that the developed system is able to perform the main functions well according to the users’ needs. Thus, the system is expected to improve the service quality at music studio service providers.
SADEMIN: Sistem Cerdas Deteksi Kelayakan Makanan dan Minuman Berbasis Sensor Gas dan Internet of Things (IoT) Muhammad Zikry Al-Banna Lubis; Sukarman Purba; Tora Valentina Simatupang; Andri Saputra Harahap
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/2d0xmp79

Abstract

Food safety is a fundamental aspect of public health; however, the rate of food poisoning in Indonesia remains alarmingly high, with reports indicating 4,711 cases by September 2025. This issue is compounded by the limitations of traditional methods that are subjective and the inability to detect food spoilage in its early stages, during which microorganisms start to emit Volatile Organic Compounds (VOCs) like ammonia and alcohol vapors that human senses cannot identify. The aim of this innovative concept is to create SADEMIN (Smart Food and Beverage Eligibility Detection System) as an intelligent detection system based on the Internet of Things (IoT) for objectively, accurately, and continuously monitoring food freshness. SADEMIN is engineered by incorporating MQ-135 gas sensors and MQ-3 alcohol sensors controlled by the ESP8266 microcontroller. This innovation operates by identifying gas emissions of ammonia and ethanol resulting from food degradation, assigning a "Not Suitable" status when gas levels hit a threshold of ≥ 32% or when alcohol concentrations are detected. The monitoring results are displayed locally on a 16x2 LCD and wirelessly transmitted to the Blynk app on mobile devices. Additionally, the system is equipped with an audio alert feature using the DF Player Mini module as an early warning system. Trial results indicate that SADEMIN has a high validity in distinguishing between suitable and unsuitable sample conditions in line with actual conditions. This innovation is anticipated to reduce the risk of food poisoning and contribute to achieving the SDG goal 3 regarding healthy and prosperous lives.
Aplikasi Toko Buku Berbasis Web Dengan Fitur Rekomendasi Buku Menggunakan Algoritma Collaborative Filtering Adhitya Ilham Ramdhani; Sabar Hanadwiputra; Subandri Subandri; Zaenal Mutaqin Subekti
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/9ge6w258

Abstract

The rapid development of information technology has had a significant impact on various sectors, including the bookselling industry. Many conventional bookstores have begun to switch to digital platforms, simplifying and expanding their sales reach. However, with the wide selection of books available, users often experience difficulty finding books that match their interests and needs. Therefore, this research was conducted with the aim of designing a web-based bookstore application equipped with a personalized book recommendation feature using the PHP programming language and a MySQL Database. The main feature is the implementation of a collaborative filtering algorithm, a recommendation system method that analyzes the similarity of preferences between users based on data from ratings provided. This data is used to predict and recommend books that are likely to be liked by other users with similar preference patterns. The implementation of this algorithm aims to increase the relevance of recommendations and provide a more efficient and interactive book search experience. The results of this test indicate that the system is capable of providing relevant book suggestions that align with user preferences. Furthermore, the implementation of this web-based application also simplifies the transaction process, speeds up book searches, and increases user satisfaction in digital shopping. Thus, this web-based bookstore application that uses a collaborative filtering algorithm can be an effective solution in helping users find books according to their interests and supporting the development of digital bookstores.
Sistem Peringatan Dini Banjir Dengan Menggunakan ESP32 dan Sensor Ultrasonik Mohammad Danu Iswara; Slamet Raharjo
Journal of Students‘ Research in Computer Science Vol. 7 No. 1 (2026): Mei 2026
Publisher : Program Studi Informatika Fakultas Ilmu Komputer Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/3ymf3266

Abstract

The advancement of Internet of Things (IoT) technology has driven its application across various sectors, including flood disaster mitigation. At present, most flood monitoring activities are still conducted manually, resulting in delayed response actions. This research proposes the design of an Android-based flood early warning system utilizing the ESP32 microcontroller as the central controller. The system is equipped with an HC-SR04 ultrasonic sensor to measure water level with high accuracy, a buzzer for local alert signaling, and a Wi-Fi  connection to send real-time notifications to an Android application. The operational mechanism begins with the sensor measuring the water surface distance, which is then compared to a predefined threshold. If the water level exceeds this limit, the system activates the alert and sends a notification to the user. This prototype is designed to deliver timely, accurate, and easily accessible information, enabling communities to take preventive measures promptly to minimize the impact of flooding.

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