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Rudi Kurnianto
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INDONESIA
Journal of Electrical Engineering, Energy, and Information Technology
Published by Universitas Tanjungpura
ISSN : -     EISSN : 30261856     DOI : http://dx.doi.org/10.26418/j3eit.v11i2
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) (E-ISSN: 3026-1856) is the latest name for the JTE UNTAN, which underwent a name change. This journal has been in circulation within UNTAN since 2013 under its previous name. The name change reflects an evolution in the topics covered by the journal, encompassing the fields of electrical engineering, energy, and information technology. With the establishment of J3EIT, it is expected to become a significant resource for the academic and research community in this discipline, fostering the exchange of knowledge and innovation among professionals in the field of electrical engineering and related areas. By consistently publishing high-quality scientific papers, this journal is expected to play a vital role in advancing knowledge in its field. J3EIT is published three times a year, April, August and December.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 517 Documents
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QIRABOX: Quran Murottal Speaker with Speech Recognition Based on Internet of Things Rimadana, Heny
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 13 No. 1: April 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v13i1.88877

Abstract

This research aims to design and implement an IoT-based speaker control system for Quran Murottal using voice commands, specifically targeting visually impaired individuals. The system utilizes speech recognition technology to overcome the challenges that visually impaired users face when controlling devices through buttons or remotes. The Android application "Qirabox" integrates Google Speech Recognition to convert voice commands into text, which is then processed by the Aho-Corasick algorithm for pattern matching. The system uses the MQTT protocol for IoT communication, with an ESP32 microcontroller and an IR Transmitter to send infrared signals to control the speaker. The system was evaluated through 50 trials with 10 visually impaired participants at PERTUNI Malang, resulting in a low error rate of 2%. Furthermore, the System Usability Scale (SUS) evaluation provided a score of 78.75 (Good), indicating the system"™s usability and effectiveness in meeting user needs. This research demonstrates the potential of voice-controlled speaker systems and contributes to the development of assistive technology for visually impaired individuals, offering a significant improvement in accessibility and ease of use.
Economic Analysis of On-Grid Solar Power Plant System Design in The Building Of Politics,Law And Human Rights Ministry At North Penajam Paser Regency,East Kalimantan Hutagalung, Rio Martin Luter
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol 13, No 3: December 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v13i3.91513

Abstract

PLTS is one of the renewable energy solutions that utilizes solar radiation as the main source of its generation, so it is considered environmentally friendly and has great potential in areas with high sunlight intensity. The research methods used include collecting solar radiation data, PLTS system design, and performance simulation and testing using HOMER Pro software. This research was conducted at the Ministry of Politics, Law and Human Rights Building in the Nusantara Capital development area in Penajam Paser Utara Regency, East Kalimantan. The tool used to help solve this research problem uses software, namely HOMER Pro. Based on the data obtained, the estimated load consumed in these 4 buildings is 4,222 kWh/day. The PLTS is planned to be built with a capacity of 550 Wp with a total of 376 units, while the inverter capacity is 15,000 Watts with 8 units and 11,000 Watts with 8 units. Based on the results of manual calculations and using HOMER Pro software, the payback period value can be obtained of around 8 to 9 years. and this PLTS will be planned to operate for 25 years.
Design and Simulation of Infinite Impulse Response (IIR) Using the Impulse Invariant Method with Matlab Graphical User Interface (GUI) Rusydi, Nauval
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 13 No. 1: April 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v13i1.89594

Abstract

Matlab is a software that is capable of performing calculations and simulations as well as developing applications based on Graphical User Interface (GUI). GUI-based application development can be done for digital signal processing, one of which is IIR digital signal filtering. The purpose of this research and development is to design a GUI to simulate an IIR digital filter. By entering the signal to be filtered and providing input parameter values in the form of filter type, filter order, cutoff frequency, passband ripple, and stopband ripple, the GUI will process the input values to filter the input signal given into an output in the form of a frequency spectrum. This GUI will be made stand-alone so that users do not need to open the Matlab application to use it. Testing for IIR digital signal filtering from the GUI is carried out by a digital filter verification test by comparing using various different cutoff frequencies, while maintaining other parameters where the results of the output signal have the same characteristics according to the filter. Then, to test the usefulness of each button, a blackbox test is carried out where the results obtained are that all buttons can work according to their respective functions without any problems or errors so that the resulting GUI can be used for IIR digital signal filtering. Then, for testing the GUI display, a survey was conducted on 30 respondents where the results had a value of 4.26 with the statement very satisfied.
PROTOTYPE OF A 4-DOF ROBOTIC ARM BASED ON ATMEGA328P MICROCONTROLLER USING POTENTIOMETER CONTROL SYSTEM Tesalonika, Tesalonika
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 14 No. 1: April 2026
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v14i1.87885

Abstract

The advancement of electronics and control systems has significantly boosted the use of robotics, particularly in addressing heavy, dangerous, dirty, and difficult tasks within Indonesia's expanding Industry 4.0 sector. This study emphasizes the role of robotics in Indonesia and reviews fundamental theories on robotic arms, covering their definition, history, kinematics, and essential components such as the ATmega328P microcontroller, Arduino Uno R3, MG90S servo motor, potentiometer, XL4015 step-down module, and I2C LCD module. The research focuses on developing and testing a 4-DOF robotic arm prototype that utilizes a potentiometer control system. The design process includes the creation of system block diagrams, frame and physical design, and electronic component configuration. The robotic arm's performance is evaluated through servo motors testing, which examines its movement radius and load-lifting capabilities. Results indicate that the robotic arm achieves a minimum movement radius of 10 cm with a 15 ° tolerance error and a maximum radius of 22 cm with a 1 ° tolerance error. Additionally, the arm's ability to lift and stabilize various loads is tested, with findings showing that the servo motors maintains stable and accurate operation across different angles and distances. These insights are crucial for optimizing the 4-DOF robotic arm prototype for practical applications.
EVALUATION OF PENETRATION TESTING ON WPA2-ENABLED WLAN NETWORK VULNERABILITIES Nizam
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 13 No. 2: August 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v13i2.107818

Abstract

The rapid development of wireless technology provides convenience in accessing information, yet also raises significant challenges related to network security. This research aims to analyze the vulnerability level of Wireless Local Area Network (WLAN) by applying the penetration testing method. The study focuses on the WPA2 security protocol, with two main attack scenarios: Cracking the Encryption and Man in the Middle Attack (MITM). The methodology involves several stages, including network monitoring, packet capture, deauthentication attack, and encryption key cracking using Aircrack-ng. Additionally, a MITM attack simulation was carried out using Ettercap through ARP poisoning techniques to intercept network communications. The results indicate that the encryption cracking attempt on the target SSID failed due to wordlist limitations, while the MITM simulation successfully intercepted sensitive data on an open network. Based on the findings, it can be concluded that although WPA2 offers stronger protection compared to previous encryption methods, vulnerability potentials still exist and can be exploited at the application layer if insecure communication protocols like HTTP are utilized.
ZIGBEE-BASED DATA ACQUISITION SYSTEM FOR ORNAMENTAL PLANTS Elisa, Nurul; Putra, Leonardus Sandy Ade; Marpaung, Jannus
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 14 No. 1: April 2026
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v14i1.111311

Abstract

Ornamental plants require adequate soil moisture to grow optimally. However, manual irrigation is often performed irregularly, resulting in either insufficient or excessive water supply. This study aims to design and implement a ZigBee-based data acquisition system for monitoring ornamental plants and controlling irrigation automatically. The system employs a soil moisture sensor and a DS18B20 temperature sensor, an Arduino Nano as the transmitter controller, an XBee Series 2 module for ZigBee communication, an ESP32 as the receiver controller and Internet gateway, and the Blynk application for real-time monitoring. The system was tested on two potted ornamental plants, while ZigBee communication performance was evaluated at distances ranging from 20 to 120 meters using the Received Signal Strength Indicator (RSSI), packet delay, and Packet Loss as performance parameters. The results show that the system is capable of monitoring temperature and soil moisture, displaying real-time data on the Blynk application, and automatically activating irrigation based on the predefined soil moisture threshold. ZigBee communication was successfully maintained up to 120 meters, with RSSI values ranging from 75.14% to 43.08%, packet delay ranging from 456 to 4663 ms, and a maximum Packet Loss of 43.6%. These results indicate that the proposed system is effective for automatic monitoring and irrigation of ornamental plants, although the communication performance decreases as the transmission distance increases.
A SWIFTLET HOUSE SECURITY SYSTEM BASED ON LONG-RANGE COMMUNICATION TECHNOLOGY AND THE INTERNET akmal_zuhdi
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol. 14 No. 1: April 2026
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v14i1.111351

Abstract

Swiftlet houses require a security system capable of real-time monitoring to reduce the risks of theft, fire, and environmental disturbances. This study aims to develop an Internet of Things (IoT)-based security system using LoRa RFM95 communication and the Thinger.io platform. The system employs an Arduino Uno with DHT22, MQ-2, flame, PIR, and infrared (IR) sensors to monitor environmental and security conditions. Sensor data are transmitted via LoRa to an ESP8266 receiver and displayed on the Thinger.io dashboard in real time. The test results show that all sensors operated properly and that LoRa communication reliably transmitted data over distances of up to 250 meters. The proposed system enables effective real-time monitoring and long-range communication for swallow bird house security.

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