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All Journal Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat JTEIN: Jurnal Teknik Elektro Indonesia Jurnal Teknik dan Science (JTS) Jurnal Ilmiah Multidisiplin (JUKIM) Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Jurnal Tera Buletin Pos dan Telekomunikasi Switch: Jurnal Sains dan Teknologi Informasi
Tri Nur Arifin
Universitas Dian Nusantara
Religion Agriculture, Biological Sciences & Forestry Arts Automotive Engineering 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 Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Pendeteksian warna dengan image processing menggunakan model warna HSB Arifin, Tri Nur; Pratiwi, Ganjar Febriyani; Ilman, Syaeful
Jurnal Teknik Elektro Indonesia Vol 5 No 1 (2024): JTEIN: Jurnal Teknik Elektro Indonesia
Publisher : Departemen Teknik Elektro Fakultas Teknik Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtein.v5i1.584

Abstract

Pada pengolahan citra terdapat banyak model-model warna yang dapat digunakan untuk melakukan pendeteksian warna, salah satunya yaitu model warna HSB. Tujuan dari dilakukannya penelitian ini yaitu untuk mengetahui nilai-nilai setiap variabel HSB dari objek-objek warna yang dideteksi menggunakan kamera, baik di dalam ruangan maupun di luar ruangan yang memiliki pencahayaan yang berbeda. Metode yang dilakukan pada penelitian ini, yaitu melakukan literasi tentang pengolahan citra (image processing) dan model warna HSB. Lalu ketika literasi sudah cukup, maka dilakukan perancangan perangkat lunak (software) agar citra dapat di olah. Lalu ketika perancangan perangkat lunak telah selesai, maka dilakukan penerapan pada kamera dan ujicoba. Hasil ujicoba di luar ruangan dan di dalam ruangan memiliki selisih nilai, yaitu pada nilai H (Hue) objek warna merah selisihnya 2,05 (0,8%), objek warna biru selisihnya 0,77 (0,3%) dan warna ungu selisihnya 3,67 (1,4%). Pada nilai S (Saturation) objek warna merah selisihnya 47 (18,43%), objek warna objek biru selisihnya 32,15 (12,61%) dan warna ungu selisihnya 2,33 (0,91%). Pada nilai B (Brightness) objek warna biru selisihnya 34 (13,33%) dan objek warna ungu selisihnya 36 (14,12%), namun objek warna merah tidak ada selisih nilai. Dapat disimpulkan bahwa model warna HSB waluapun pencahayaannya berbeda tetap dapat mendeteksi katagori warna yang sama dengan selisih nilai H (Hue) kurang dari 1,5%, namun pencahayaan berpengaruh pada ketajaman dan kecerahan objek warna dengan selisih nilai S (Saturation) dan nilai B (Brightness) kurang dari 20%.
RANCANG BANGUN SISTEM PEMANTAU KETINGGIAN AIR OTOMATIS MENGGUNAKAN SENSOR ULTRASONIK (HC-SR04) BERBASIS ARDUINO UNO DENGAN ANTARMUKA KOMPUTER BERBASIS MICROSOFT VISUAL BASIC 6.0 Rizky Wahyu Pradana; Ganjar Febriyani Pratiwi; Tri Nur Arifin
Jurnal Teknik dan Science Vol. 3 No. 1 (2024): Februari : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v3i1.1212

Abstract

Efforts can be made to overcome this natural disaster, including providing a drainage system, maintaining forests and monitoring river water levels to determine the possibility of flooding if the level exceeds normal. In this research the author designed a tool to provide warnings before a flood disaster occurs. The design of an automatic water level monitoring system using an ultrasonic sensor (HC-SR04) based on Arduino UNO with a computer interface based on Microsoft Visual Basic 6.0 was created using HC-SR04 to measure distance, Arduino UNO as the main controller for the entire tool, LED and buzzer. When the HC-SR04 measures the distance by emitting waves from the trigger pin as the trigger and the echo pin as the receiver, the distance will then be processed by the Arduino UNO to calculate how many "cm" distances have been measured. If the distance calculated by the Arduino UNO is < 30 cm then the green LED will light up, if the distance is < 20 cm then the yellow LED will light up and the buzzer will sound slowly. However, if the distance is <10 cm, the red LED and yellow LED will light up alternately and the buzzer will sound loudly. Next, the data will be displayed on the PC interface with Microsoft Visual Basic 6.0 according to the distance received.
PENGENALAN SISTEM PENYIARAN TELEVISI DIGITAL UNTUK OPTIMASI SPEKTRUM FREKUENSI UHF Nur Arifin, Tri; Adhiyoga, Yohanes Galih
Jurnal Tera Vol 3 No 1 (2023): Jurnal Tera (Maret 2023)
Publisher : Fakultas Teknik dan Informatika, Universitas Dian Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sosialisasi terkait program Analog Switch Off (ASO) tentunya masih perlu digencarkan, selain dari sisi teknisnya, perlu dijelaskan juga latar belakang program migrasi ini, yang tentunya akan sangat bermanfaat untuk efisiensi spektrum frekuensi khususnya UHF. Dengan demikian masyarakat menyadari akan pentingnya program migrasi ini dan dapat menjadikan masyarakat sebagai agen perubahan yang mendukung bahkan mendorong percepatan proses migrasi ini. Kegiatan Pengabdian Kepada Masyarakat memberikan pemahaman dan ilmu tambahan kepada para masyarakat mengenai manfaat dari siaran televisi digital, kegunaan dan manfaat dari Set Top Box (STB) bagi televisi analog, penginstalisasian televisi analog dan televisi digital, dan pengetahuan mengenai antenna-antena mana saja yang dapat digunakan untuk menangkap saluran siaran televisi digital.
ANALISIS JARAK MAKSIMAL JY-MCU BLUETOOTH Arifin, Tri Nur; Pratiwi, Ganjar Febriyani; Ilman, Syaeful
Jurnal Ilmiah Multidisiplin Vol. 2 No. 04 (2023): Juli : Jurnal Ilmiah Multidisiplin
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jukim.v2i04.884

Abstract

Bluetooth dapat kita terapkan sebagai pengirim data atau informasi dan juga bisa digunakan untuk media transmisi sistem kontrol/kendali untuk jarak yang tidak begitu jauh hanya kisaran beberapa meter saja. Banyak modul Bluetooth yang tersebar di masyarakat saat ini, yaitu salah satunya modul Bluetooth JY-MCU. Modul ini dapat dikombinasikan dengan modul Mikrokontroller Arduino. Penelitian ini memiliki tujuan untuk mengetahui maksimal jarak yang efektif dalam melakukan komunikasi antara modul Bluetooth JY-MCU dengan Smartphone Android. Komunikasi yang dilakukan, yaitu komunikasi mengirim dan menerima data antara Smartphone Android dengan Mikrokontroller Arduino melalui Modul Bluetooth JY-MCU. Komunikasi antara Bluetooth yang ada pada Smartphone Android dengan mikrokontroller Arduino menggunakan modul Bluetooth JY-MCU mendapatkan jarak efektif maksimal yaitu mencapai hingga 6,73 meter, namun terkadang dapat lebih atau berkurang jaraknya tergantung dari benda yang menghalanginya.
Highly Independent 5G Multiband Antenna using Circular Patch Structure Adhiyoga, Yohanes Galih; Arifin, Tri Nur; Ilman, Syaeful; Wahyuningsih, Erfiana; Rusdiyanto, Dian; Mahendra, Adhi
Buletin Pos dan Telekomunikasi Vol. 21 No. 2 (2023): December 2023
Publisher : Centre for Research and Development on Resources, Equipment, and Operations of Posts and I

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17933/bpostel.v21i2.364

Abstract

5G mobile communication technology has attracted much attention in the past three years. However, the development of antennas that can cover three types of 5G bands at once has not been studied. This paper proposes an antenna covering the three frequency bands of 2.3 GHz, 3.5 GHz, and 26 GHz for 5G communication. The proposed antenna uses a microstrip patch design with 50-ohm inset feeding. FDTD mathematical analysis through simulation has been carried out and confirmed that the proposed antenna meets the required specifications in 5G technology. The simulation result shows that the proposed antenna has a good reflection coefficient in the target frequencies of -22.6 dB, -28.26 dB, and -22.48 dB, respectively.
Prototype Mesin Conveyor Pemilah Otomatis Berbasis IoT (Internet of Things) Riesa Syariful Akbar; Tri Nur Arifin; Erfiana Wahyuningsih; Syahdan Awaldi; Dodi Rahmawan
Switch : Jurnal Sains dan Teknologi Informasi Vol. 3 No. 1 (2025): Januari : Switch: Jurnal Sains dan Teknologi Informasi
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/switch.v3i1.360

Abstract

Modern industries require automation to enhance operational efficiency and productivity. This study designs and implements an automatic sorting system based on the Internet of Things (IoT) using a mini conveyor, ESP32 microcontroller, TCS3200 color sensor, servo motor, and the Blynk application. The system is designed to accurately detect object colors, sort objects based on color, and enable remote monitoring and control via mobile devices. Testing results indicate that the system can detect and sort objects with a high level of accuracy, although some errors occur due to changes in lighting conditions. The conveyor speed is consistently recorded at 0.335 m/s, while the system's response time, including color detection, servo movement, and application updates, operates within an optimal range. The Blynk application enhances the flexibility of real-time system control. This study demonstrates that IoT-based sorting systems can serve as an efficient solution to support industrial automation. Further development is recommended to improve color detection accuracy and expand the system's application in more complex industrial scenarios.
Enhancement of the Safety and Efficiency of Electrical Installations at UKM Kemuning Mandiri to Foster Sustainable Production Erfiana Wahyuningsih; Belinda Ayuningtyas; Islamiah Kamil; Ganjar Febriyani Pratiwi; Tri Nur Arifin
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 8 No. 1 (2025): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/abdimas.v8i1.6167

Abstract

At UKM Kemuning Mandiri in Cogreg Village, we improved understanding and safety in the operation of electrical devices by introducing a regular maintenance program, providing training, and performing repairs to electrical installations. We identified a lack of knowledge regarding safe electrical installations as the primary cause of work accidents and equipment damage. We utilized training materials to convey the importance of routine maintenance, the safe use of electrical outlets, and standard installation procedures. We assess the existing electrical installation and provide recommendations for enhancement. These recommendations include the installation of supplementary safeguards, such as UPS and stabilizers, to reduce the likelihood of power outages and voltage fluctuations. In order to assist the implementation of the Key Performance Indicators (KPI) of the university, both students and lecturers are involved. These KPIs include the experiences that students have had off campus as well as the involvement of lecturers in community activities. We anticipate that this program will improve students' understanding of electrical safety, decrease the risk of equipment damage, prolong the life of production tools, and boost the productivity of small and medium-sized enterprises. We also anticipate that the maintenance program's sustainability will significantly lower the risk of workplace accidents and equipment damage.
Rancang Bangun Sistem Informasi Pencatatan Transaksi Keuangan Berbasis Website di PT. Gilang Arthajaya Abadi Meiliana Meiliana; Tri Nur Arifin
Jurnal ilmiah Sistem Informasi dan Ilmu Komputer Vol. 5 No. 1 (2025): Jurnal ilmiah Sistem Informasi dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juisik.v5i1.1511

Abstract

This study aims to design and implement a website-based financial information system to support the digital transformation process at PT. Gilang Arthajaya Abadi. The background of this study stems from the problem of managing financial transactions that are still carried out manually without the support of a computerized system, resulting in obstacles in data retrieval, the risk of information loss, and difficulties in recapitulating transaction data. To overcome these problems, this study uses the waterfall system development method which has a structured and sequential approach, including the stages of needs analysis, design, implementation, testing, and maintenance. This method was chosen because the system requirements have been clearly defined from the beginning, thus minimizing the possibility of changes during the development process. The system design was carried out using the Unified Modeling Language (UML) to visualize the needs and process flow, while the technologies used include PHP as a programming language, MySQL as a database, and the Laravel framework to support the development of an efficient, structured, and easily developed system in the future. The resulting system is able to facilitate the recording of financial transactions in a more structured manner, increase data accuracy, minimize the risk of information loss due to human error, and accelerate the process of searching and creating financial reports. Test results indicate that all developed features, such as transaction recording, data management, and report generation, function well according to user needs. Implementation of this system is expected to improve the company's operational efficiency, strengthen internal controls, and serve as the first step in building an integrated digital ecosystem at PT. Gilang Arthajaya Abadi. This research also opens up opportunities for further development, such as integration with online payment systems and big data-based financial analytics to support the company's strategic decision-making.
Co-Authors Adhiyoga, Yohanes Galih Belinda Ayuningtyas Dodi Rahmawan Ganjar Febriyani Pratiwi Ganjar Febriyani Pratiwi Ilman, Syaeful Islamiah Kamil Mahendra, Adhi Meiliana Meiliana Pratiwi, Ganjar Febriyani Riesa Syariful Akbar Rizky Wahyu Pradana Rusdiyanto, Dian Syahdan Awaldi Wahyuningsih, Erfiana