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All Journal Tekno : Jurnal Teknologi Elektro dan Kejuruan ILMU KELAUTAN: Indonesian Journal of Marine Sciences TEKNIK SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Teknologi Elektro Jurnal Kelautan Tropis Journal of Applied Geospatial Information Jurnal Elementer (Elektro dan Mesin Terapan) Techne : Jurnal Ilmiah Elektroteknika Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan Marine Research in Indonesia Jurnal Segara Jurnal Hilirisasi IPTEKS (JHI) Eksakta : Berkala Ilmiah Bidang MIPA Infotronik : Jurnal Teknologi Informasi dan Elektronika TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol TEKTRIKA - Jurnal Penelitian dan Pengembangan Telekomunikasi, Kendali, Komputer, Elektrik, dan Elektronika Jambura Journal of Electrical and Electronics Engineering Jurnal Teknik Elektro dan Komputasi (ELKOM) Newton-Maxwell Journal of Physics Jurnal Pengabdian Masyarakat Nusantara Journal Of Renewable Energy Engineering SNTE Jurnal Elektronika dan Telekomunikasi
Hollanda Arief Kusuma
Universitas Maritim Raja Ali Haji
Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Veterinary Other

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Evaluation of Coordinate Position Precision Using GNSS NEO SERIES and GSM SIM 7000E Modules Kusuma, Hollanda Arief; Irnawati, Yunita; Aflaha, Fadli Aulia; Baihaque, Muhd. Ridho
Journal of Applied Geospatial Information Vol. 8 No. 2 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i2.7780

Abstract

This study investigates the precision of coordinate positioning using Global Navigation Satellite System (GNSS) technology, focusing on GNSS Neo Series modules and the GSM SIM 7000E module. The research aims to address the lack of comparative studies evaluating these GNSS receivers simultaneously. A field test spanning 24 hours was conducted to collect data on satellite acquisition and Horizontal Dilution of Precision (HDOP). The GNSS systems were deployed in a controlled environment at the Class I Meteorological Station Hang Nadim, Batam. The system developed comprised GNSS modules (Neo 6M, Neo 7M, Neo 8M, and GSM SIM 7000E), an ESP32 microcontroller, Arduino UNO, and a Micro SD shield module. Data processing involved converting coordinates to meters and calculating longitude and latitude errors. Root Mean Square Error (RMSE) analysis and one-way ANOVA were performed to assess accuracy and compare the GNSS receivers. Results indicate that the GSM SIM 7000E demonstrated superior satellite acquisition, leading to higher accuracy in coordinate positioning compared to the Neo Series modules. The study also identified optimal data collection times for accurate dispersion. These findings provide valuable insights into selecting and deploying GNSS receivers, enhancing performance in location-based services and scientific applications.
Comparation Tidal Harmonic Based on IoT Instrument Using Admiralty Method in Tanjungpinang Waters Alajuri, M Hasbi Sidqi; Kusuma, Hollanda Arief; Suhendra, Tonny; Setyono, Dwi Eny Djoko
Journal of Applied Geospatial Information Vol. 8 No. 2 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i2.9042

Abstract

Tides are the rising and falling movement of sea level caused by the gravitational force of celestial bodies such as the moon and sun on the mass of seawater on earth. The aim of this research is to compare the use of time series of harmonic constant parameters obtained from tidal data stored in the tool using the admiralty method. Research activities were carried out at the international port of Dompak Island, Tanjungpinang City, Riau Islands. This tidal data is analyzed by admiralty. This method is used to analyze harmonic constants and identify patterns and sea level levels. Based on the results obtained, the type of tide in Tanjungpinang waters is a mixed tide (single dominant) with an F value of 2.01 to 2.07. The sea level elevation values "‹"‹obtained (MSL) from each time series ranged from 75.83 cm to 76.60 cm, (MHWL) ranged from 97.17 cm to 98.24 cm. Then (MLWL) ranges from 58.77 cm to 59.39 cm. Meanwhile, (HHWL) ranges from 153.98 cm to 154.73 cm, and (LLWL) ranges from -2.77 cm to -1.96 cm. With a confidence interval of 5 percent, is obtained. The difference in each time series seen from the data (MSL) is 7cm. Therefore, Tidal data from each time series has no significant differences.
Spectral Characterization in Seaweed, Kappaphycus alvarezii, using AS7285x Spectroscopy Sensor Device Kusuma, Hollanda Arief; Suhendra, Tonny; Ilhamdy, Aidil Fadli; Ilhami, Carel Candigia Sahid; Setyono, Dwi Eny Djoko; Lubis, Muhammad Zainuddin
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 2 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.2.183-191

Abstract

This study explores the spectral characterization of seaweed, Kappaphycus alvarezii, using the SparkFun Triad Spectroscopy Sensor AS7265x to assess the relationship between water content and light intensity. This research aims to provide a foundation for non-destructive monitoring of post-harvest seaweed quality using spectral techniques. The SeaSpec device was constructed using an ESP32 microcontroller, a TFT display, and the AS7265x sensor. Seaweed samples were collected from the coastal area of Karimun Islands and subjected to a controlled drying process at 40°C to determine the water content in the seaweed. The spectral data were recorded across 18 channels in the visible and infrared spectra, highlighting distinct patterns that correlate with varying moisture levels. A multiple linear regression analysis was employed to determine the contributions of individual spectral channels to water content prediction, revealing that each channel has its own unique contribution to the model. Coefficient of determination (R²), percentage error (%), and percentage accuracy (%) were also used to assess model performance. The results indicated that higher water content corresponds to increased light intensity. The analysis indicated that the visible spectrum outperformed the infrared spectrum in predictive accuracy, with an R² value of 0.79 compared to 0.61 for the infrared spectrum. This indicates that the visible light spectrum is more effective in predicting water content in K. alvarezii. The findings underscore the potential of spectral analysis as a reliable method for assessing the physico-chemical properties of seaweeds, advancing the use of optical sensors in aquaculture and environmental monitoring while paving the way for future research.
Design of Time Out Devices for Amateur Volleyball Games Using ESP32 Microcontroller Bonardo, Doli; Kusuma, Hollanda Arief; Hofur, Viki Dima; Yunianto, Anton Hekso
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.36169

Abstract

This study presents the development of a wireless time-out device for amateur volleyball games, utilizing ESP32 microcontrollers and ESP-NOW communication. The device aims to improve the efficiency and accuracy of time-out requests, eliminating delays caused by traditional manual signaling. The functional and field tests confirmed that the device enables seamless communication between coaches and referees, ensuring that time-out requests are processed promptly. Performance evaluations included TFT display readability, push button responsiveness, and communication stability over different distances. The TFT screen demonstrated clear visibility at night but faced readability issues under direct sunlight, suggesting the need for brightness optimization. The distance test showed reliable ESP-NOW communication within a 20-100 meter range, with signal degradation and packet loss beyond this threshold. These findings emphasize the importance of optimizing system placement and display readability to enhance usability in various match conditions. This research provides a practical, cost-effective solution for time-out management in volleyball games. Future improvements may include real-time game analytics, mobile app connectivity, and expanded application to other sports. By addressing key challenges in referee-coach communication, this device contributes to the advancement of sports officiating technology.
A Smart Web Application for Real-Time Indoor Temperature and Humidity Monitoring Hasbi, M. Hasbi Sidqi Alajuri; Hollanda Arief Kusuma; Marisha Pertiwi; Tonny Suhendra; Gilang Satria Wahyu Dewantara
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 26 No. 03 (2025): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol26-iss03/606

Abstract

Learning comfort is influenced by the environment, including temperature and humidity. This study validates the temperature and humidity monitoring device (DHT 22) in the dashboard system of the Department of Electrical Engineering. The results show high accuracy, with 98.96% for temperature and 98.93% for humidity, and an average error rate of 1.04%. Validation was conducted at BMKG Tanjungpinang for four days, with data recorded every minute for 24 hours. User satisfaction evaluation using the System Usability Scale (SUS) yielded an average score of 57, categorized as "Not Acceptable." Nevertheless, users still provided relatively positive feedback. These findings emphasize the need for improvements in dashboard design, user experience, and additional training. Recommendations include utilizing third-party platforms and evaluating the hardware and interface to enhance system usability.
Development of an IoT-Based Tidal Gauge With Ultrasonic Sensors Alajuri, M Hasbi Sidqi; Kusuma, Hollanda Arief; Bavitra, Bavitra; Harahap, Basyaruddin Ismail
Jambura Journal of Electrical and Electronics Engineering Vol 7, No 2 (2025): Juli - Desember 2025
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v7i2.29143

Abstract

Tides are the periodic rise and fall of sea levels caused by the gravitational effects of the moon and the sun. This tidal phenomenon can be measured manually or automatically using instruments. The objective of this study is to design and develop a tide gauge instrument using the JSN-SR04T sensor based on the Internet of Things (IoT). The research method includes hardware design, electrical design, firmware development, and dashboard creation. Once the system design is completed, the components are assembled. Functional and laboratory tests are conducted to ensure that each component operates properly, followed by field testing. The tide gauge instrument is capable of operating for 7 days with good accuracy in the measurement range of 25 cm to 200 cm (with an error between 0.02 and 0.16 cm). Field observations indicate that the type of tide corresponds to previous studies, which is a mixed tide. The DS18B20 sensor produced temperature readings that matched those of a standard thermometer.Pasang surut merupakan gerak naik turun muka air laut secara periodik yang disebabkan oleh efek gravitasi bulan dan matahari. Fenomena pasang surut ini bisa diukur secara manual dan otomatis menggunakan instrumen. Tujuan penelitian ini yaitu membuat rancang bangun instrumen pengukur pasang surut dengan sensor JSN-SR04T berbasis IoT. Metode penelitian dimulai dari perancangan hardware, perancangan electrical, perancangan firmware, dan perancangan dashboard. Setelah perancangan sistem selesai maka dilakukan perakitan komponen. Uji fungsionalitas dan uji laboratorium dilakukan untuk memastikan setiap komponen berfungsi dengan baik. selanjutnya, diakukan uji lapangan. Instrumen pasang surut ini dapat bekerja selama 7 hari dengan akurasi yang baik pada rentang pengukuran 25 cm hingga 200 cm (Error 0.02 hingga 0.16). Berdasarkan hasil pengamatan di lapangan menunjukkan bahwa jenis pasang surut sesuai dengan peneliti sebelumnya yaitu campuran. Hasil pengukuran sensor DS18B20 memiliki nilai suhu yang sama dengan pengukuran termometer.   
Testing the Range and Analysis of WSN LoRa Sx1278 Parameters in Coastal Areas Kusuma, Hollanda Arief; Hanafi, M Fadzil; Suhendra, Tonny; Oktaviani, Nadya
TELKA - Telekomunikasi Elektronika Komputasi dan Kontrol Vol 10, No 2 (2024): TELKA
Publisher : Jurusan Teknik Elektro UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/telka.v10n2.168-177

Abstract

This research discusses the testing of the range and analysis of other parameters of Wireless Sensor Network (WSN) technology using LoRa technology at 433 MHz frequency in coastal areas. This study aims to provide important information for the development of WSN and LoRa technology, especially in coastal areas. The research method used is the design of the device, the creation of transmitter and receiver firmware, and field testing using the continuous method in Teluk Sebong, Berakit on May 26, 2022. The results showed that the maximum range achieved by the receiver was 7.3 km with a packet loss of 56.84%. Data transmission using LoRa experienced a significant delay, especially at a range of 4.2 km with a delay time of up to 18 seconds. In addition, the study also analyzed the LoRa network performance, such as the map of measurement and data loss points, the distribution of RSSI values, and the distribution of SNR values divided into several distance ranges. This research is expected to provide important information for the development of WSN and LoRa technology, especially in coastal areas
Rancang Bangun Perangkat Akuisisi Data Gas Emisi Karbon Monoksida Pada Kendaraan Sepeda Motor Saputra, Irwan; Suhendra, Tonny; Arief Kusuma, Hollanda
Sustainable Vol 12 No 1 (2023): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/sustainable.v12i1.5244

Abstract

Exhaust emissions can cause air pollution. Carbon monoxide is one of the air pollution comes from motor vehicle gas emissions. From current technological developments, low-cost gas sensors have been widely used. In research, data acquisition devices have been successfully developed using the MQ-7 sensor, ESP32, micro SD card, TFT display, and keypad. The results of the sensor calibration get 10 motorcycle data with a coefficient of determination (R2) of 0.9273 with a percentage of 92.73%. The average accuracy of the MQ-7 sensor is 91.23% with an error percentage of 1.82% and an RMSE of 0.379. From the results of the sensor calibration, it can be seen that the MQ-7 sensor has a fairly good level of accuracy. From field test, 30 motorcycles has been test. From the results of the field test of 30 motorcycles, factors that affect the value of carbon monoxide gas in motorcycles include dirty air filters, fuel used, and motorbike maintenance. As for the year of the vehicle does not affect the value of carbon monoxide gas.
Rancang Bangun Prototipe Kapal Katamaran Glass Bottom Ekowisata Laut Yunianto, Anton Hekso; Kusuma, Hollanda Arief
Sustainable Vol 12 No 1 (2023): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/sustainable.v12i1.5540

Abstract

A glass-bottom catamaran is a vessel with two hulls with a layer of glass at the bottom of the boat, allowing passengers to view underwater scenery. This research focused on the planning stage in designing a prototype of a glass bottom catamaran, intending to determine the optimal main dimensions and produce a high-quality vessel. The results showed that determining the main dimensions of the prototype vessel is highly influenced by the aspect ratio, particularly the L/B ratio. This ratio is used as a reference in designing the prototype vessel as it affects vessel parameters such as resistance, maneuverability, and cost. Additionally, dividing the process of manufacturing the prototype vessel into several stages, including conceptual design, system design, structural design, steering system design, and electrical system design, is crucial to ensure the quality and safety of the prototype vessel. The visual depiction of the shape and characteristics of the glass bottom catamaran prototype indicates that the prototype vessel has two demi hulls and an asymmetrical hull shape..
PENGEMBANGAN ARDUINO DATA LOGGER MENGGUNAKAN TDR H3CR UNTUK SIMULATOR PASANG SURUT Anugrah, Maulana; Kusuma, Hollanda Arief; Putra, Riandra
Journal Of Renewable Energy Engineering Vol. 2 No. 1 (2024): Journal Of Renewable Energy Engineering (April)
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v2i1.28

Abstract

Tides, crucial natural phenomena, significantly impact various aspects of life. Recognizing their importance, this study presents the development of a tidal simulator leveraging Arduino data logging and TDR H3CR technology. The simulator aims to mimic tidal processes, crucial for educational and research purposes. Traditional methods of acquiring tidal data are time-consuming and expensive. Thus, a simulator proves advantageous in reducing research time and costs. At Raja Ali Haji Maritime University, a tidal simulation model exists but with manual operation and limited data capture capabilities. To address these limitations, this study designed a new simulator utilizing H3CR, DC Water Pump, and DC Selenoid Valve for automated tidal circulation. The research method involved system design, component integration, and laboratory experiments. Calibration of components like the ultrasonic sensor HC-SR04 ensured accurate data collection. The overall system experiment validated the simulator's functionality, demonstrating its ability to replicate tidal processes effectively. Results indicated that the simulator produced tidal patterns resembling sinusoidal waves, with slight noise attributed to sensor limitations. The designed simulator serves as an efficient learning tool for understanding tidal phenomena, exhibiting comparable results to natural tidal data. This study contributes to the advancement of tidal simulation technology, offering a cost-effective and accessible solution for educational and research purposes.
Co-Authors Aflaha, Fadli Aulia Ahmad Syafiq Akbar, M Aris Akbar, Muhammad Aris Alajuri, M Hasbi Sidqi Alfahmi, Muhammad Hafiz Amri, Fauzan Angga Reni Anggarudin, Anggarudin Anton Hekso Yunianto Anugrah, Maulana Ardhitasari, Yustisi Bavitra, Bavitra Cintra, Allsay Kitsash Addifisyukha Danang Budi Susetyo Danang Budi Susetyo Dhanushka Devendra Dietrich G Bengen Doli Bonardo Dwi Eny Djoko Setyono Dwi Eny Djoko Setyono Dwi Eny Djoko Setyono Dwi Eny Djoko Setyono, Dwi Eny Djoko Egistian, Farista Ferry Kurniawan, Ferry Gilang Satria Wahyu Dewantara Gultom, Indri Hapsari Raharja Hanafi, M Fadzil Harahap, Basyaruddin Ismail Henky Irawan Henry Munandar Manik Hofur, Viki Dima Ilhami, Carel Candigia Sahid Irmadi Nahib Irnawati, Yunita Irwan Rudy Pamungkas Krisna Rendi Awalludin Lucky Pradana Luthfy Nizarul Fikry M. Irfan Wahyuni Margaretha, Juwita Marisha Pertiwi Muhammad Tanveer Muhammad Zainuddin Lubis Muhazri, Muhazri Muhd Ridho Baihaque Nadya Oktaviani Nadya Oktaviani Nadya Oktaviani Nadya Oktaviani, Nadya Nur, Handallah Jabbal Pardede, Masta Angel Valentina Poeteri, Nandike Ayudiah Pramana, Rozeff Prayudha Hartanto Prayudha Hartanto, Prayudha Purbakawaca, Rady Putra, Gandhi Rizky Mahendro Putra, Riandra Ratna Sari Dewi Ratna Sari Dewi Rifki Ariandhi RR. Ella Evrita Hestiandari Rusfa Sandi Aditya Sandi, Kurnia Sandi, Theddy Kurnia Sapta Nugrah Sapta Nugraha Saputra, Harmahara Saputra, Irwan Septia Refly Septia Refly Setia Budi Wijaya Simanullang, Andreas M Sonny Seftian Maulizar Tonny Suhendra Tonny Suhendra Unai Sunardi Yuliani Yuliani