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Jurnal Edukasi Elektro
Published by Universitas Negeri Yogyakarta
ISSN : 25488252     EISSN : 25488260     DOI : -
Core Subject : Education, Engineering,
Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Edukasi Elektro is a open access peer reviewed research journal that is published by Electrical Engineering Education Department - Faculty of Engineering - Yogyakarta State University. Edukasi Elektro is providing a platform for the researchers, academicians, professional, practitioners and students to impart and share knowledge in the form of high quality empirical and theoretical research papers, case studies, literature reviews and book reviews on education.
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Articles 161 Documents
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Automated Hydroponics System using the Internet of Things Yulianto, Dinan; Nugraha, Abiema Febrian; Rahani, Faisal Fajri
Jurnal Edukasi Elektro Vol. 8 No. 2 (2024): Jurnal Edukasi Elektro Volume 8, No. 2, November 2024
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v8i2.76816

Abstract

The Indonesian government has instituted urban farming regulations to bolster food security and catalyze economic growth. However, implementing urban farming initiatives across various regions of Indonesia is expected to face challenges in the quality and availability of arable land, along with deficiencies in community knowledge. Hydroponics represents a sustainable agricultural approach proposed as a viable solution to address land quantity and quality limitations. This paper presents the comprehensive design and deployment of an automatic monitoring and control system tailored to hydroponic parameters using Internet of Things (IoT) technologies. This system integrates web technology with a NodeMCU microcontroller and sensor devices, such as DHT22 Sensor, SEN011 Sensor, TDS SEN0244 Sensor, DS18820 Sensor, and HC-SR04 Sensor. Web technology was successfully built to display eight hydroponic environmental data variables in real time, including nutrient levels, water pH, water level, water temperature, air temperature, air humidity, and pump performance status. The pH threshold value of water on a scale of 5.0 to 6.5 will automatically control the pH pump, the nutrient threshold value on a scale of 500 to 800 ppm will automatically control the nutrient pump, and the water height threshold value on a scale of 30 to 10 cm will automatically control the water pump. Through web technology, users can also intervene in system performance based on natural plant conditions. The entire system functionality was tested with 25 scenarios through a black box test approach, demonstrating that the hydroponic environment was monitored and controlled efficiently.
Ubiquitous Learning with Online Project-Scratch Programming: Enhancing Student Engagement and Developing Problem-Solving Skills Asmara, Andik; Ma, Hongbo
Jurnal Edukasi Elektro Vol. 8 No. 2 (2024): Jurnal Edukasi Elektro Volume 8, No. 2, November 2024
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v8i2.78719

Abstract

Low student engagement in online learning is a challenge faced by many educators. The choice of tools used in online learning is also critical in determining whether they support ubiquitous learning for students. One tool that has proven effective in traditional (classroom) learning to increase engagement and problem-solving skills is Problem-Based Learning (PBL) on the Scratch platform. The purpose of this study is to examine whether PBL-Scratch can increase student engagement and perceptions of problem-solving skills in online learning. The study uses a quasi-experimental approach with a simple t-test analysis. The results indicate that PBL-Scratch can increase student engagement with a significance of 0.008 and perceived problem-solving skills in online learning with a significance of 0.025, making it a viable tool for ubiquitous learning.
Evaluation of Collaborative Learning in the Development of Technology-Based Entrepreneurial Skills at Muhammadiyah Prambanan Vocational High School Sofyan, Esfan; Budiastuti, Pramudita
Jurnal Edukasi Elektro Vol. 8 No. 2 (2024): Jurnal Edukasi Elektro Volume 8, No. 2, November 2024
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v8i2.78303

Abstract

The purpose of this research is to promote entrepreneurship education in universities, develop students' entrepreneurial soft skills, and create opportunities for students to produce creative works and innovative products. This study is evaluation research using a descriptive quantitative method. The research methodology follows the Context, Input, Process, and Product (CIPP) model. Context refers to the collaboration in learning and the standards for implementing entrepreneurship education. Input involves entrepreneurship program planning and program participants. Process refers to the execution of the entrepreneurship education program and workshops. Product refers to the effectiveness of the program's implementation and program evaluation. The sample of this research consists of 20 teachers and 20 students. The data analysis technique involves the use of descriptive statistical methods. The evaluation of context is found to be relevant, with an average score of 63.67, a mean of 3.35, and a TCR of 67.62%. The evaluation of input is highly relevant, with an average score of 9.11, a mean of 4.56, and a TCR of 91.11%. The evaluation of process is relevant, with an average post-test score of 73.11, a mean of 3.85, and a TCR of 76.96%. The evaluation of product is relevant, with an average score of 64.57, a mean of 3.4, and a TCR of 67.97%. The implication of this research is the existence of entrepreneurship education in universities, the development of students' entrepreneurial soft skills, and students producing creative works and innovative products.
The Implementation of Mobile-Based Learning on Vocational High School Students: Systematic Literature Review Handoyo, Febri; Tuwoso, Tuwoso; Budi, Setiyo
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.78707

Abstract

This study aims to analyze the impact of mobile-based learning, especially android-based, on learning outcomes, student interest, and work readiness in Vocational High School. Using the Systematic Literature Review (SLR) method based on the PRISMA approach, researchers identified and analyzed 31 relevant publications from 2020 to 2024. The results of this study indicate that android-based learning significantly improves learning outcomes of vocational high school students, especially in vocational subjects. Android-based applications provide flexibility and interactivity that allow students to understand the subject matter more deeply than conventional learning methods. In addition, android-based application also plays an important role in increasing student interest. Interactive features, such as interesting simulations and visualizations, have been shown to increase student interest in the learning process, making learning more interesting and relevant to them. On the other hand, the use of android media in learning also shows a positive impact on student work readiness. Project Based Learning (PjBL) and practical simulations integrated into android-based learning applications strengthen students' basic knowledge and help them to develop practical skills that are relevant to the demands of the industrial world. Overall, this study confirms that android-based learning has great potential in improving the quality of Vocational High School education, both in terms of academic aspects and work readiness skills.
Feasibility Study of a Microgrid for Electrifying the Isolated Area Suka Alaqsa, Tengku Reza; Aini, Zulfatri; Eng, Ewe Win
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.78828

Abstract

Guha Village in Aceh Singkil lacks access to electricity from PLN, with challenging road conditions further complicating energy access. This study explores a feasible microgrid solution, assessing local renewable energy potential and economic viability using HOMER Pro software. Calculations reveal an annual energy demand of 97,334 kWh for 41 households. The analysis identifies a standalone micro-hydro system as the most cost-effective option, capable of partially meeting this demand with an annual output of 296,077 kWh. However, due to a distribution efficiency of 79.6%, the effective supply is 235,961 kWh per year. Financially, the micro-hydro system offers significant advantages, reducing the Net Present Cost (NPC) from Rp5.82 billion to Rp1.10 billion, despite a higher initial capital requirement of Rp825 million. With minimal O&M costs of Rp15 million annually and a Levelized Cost of Energy (LCOE) of Rp987.66/kWh, the system demonstrates substantial long-term savings. Investment metrics show a 49% Internal Rate of Return (IRR), 44% Return on Investment (ROI), and a two-year payback period, making the micro-hydro system a sustainable as cost effective energy solution for Guha Village.
Guidelines for Occupation, Career and Profession of Vocational School Graduates as a Means of Determining Students' Career Goals Aanggraini, Yussi; Sudira, Putu; Fajaryati, Nuryake; Utami, Pipit; Bayu Rinawan, Rangga; Irfan Luthfi, Muhammad
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.83799

Abstract

This study aims to develop a work, career, and profession guidebook for Vocational High School students that can be used by teachers as a guide in integrating career guidance into the learning process. The background of the development is based on the challenges faced by teachers in directing students according to their interests and talents, as well as the gap in information about skill needs in the world of work. This study is a research and development (R&D) using the Borg and Gall model and involves teachers and students from the Electronic Engineering expertise program at First State Vocational High School of Yogyakarta . The guidebook was developed through a series of design stages, expert validation, content evaluation, and limited field trials. The feasibility test showed that the guidebook was very feasible to use with a total score of 99.7 (very good category). In addition to teachers, students were also involved in assessing the implementation of the book through their perceptions of how teachers applied the contents of the guide in learning. The results of the trial showed that students gave high appreciation to the implementation of the guide, and teachers considered the guide easy to use and relevant to students' learning and career development needs. In addition to being based on the real needs of classroom learning, the development of this book also accommodates input from the Business World and Industry and alumni to strengthen the relevance of the contents of the guidelines to the demands of the job market. This guidebook is flexible and can be adapted for all expertise programs in vocational schools. This study concludes that the guidebook can be an effective and contextual learning tool in supporting students in determining career directions in a more structured and sustainable manner.
Power Factor Improvement Using Capacitor Controlled Based on Dimmers Prasetia, Abdul Muis; Sartika, Linda; Syamri, Mohammad
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.83899

Abstract

The utilization of electric power predominantly involves inductive loads, which result in lagging voltage waves that increase power consumption beyond what is effectively utilized, thereby reducing power factors and causing energy losses. To mitigate reactive power from inductive loads, capacitors are commonly installed in parallel. However, conventional fixed capacitor banks often lead to suboptimal results due to improper sizing. This study presents an innovative power factor correction device utilizing dimmer-controlled capacitors for dynamic capacitance adjustment. The research offers a cost-effective alternative to microcontroller-based systems while providing real-time adaptability for varying loads. The system enables precise control of capacitance without complex programming. The experimental approach uses six parallel-connected capacitors (2.5μF each), controlled by a dimmer circuit with TRIAC, DIAC, and potentiometer components. Testing is conducted with variable inductive loads ranging from 1.7 H to 6.8 H, simulating laboratory conditions with potential for scaling to real-world applications. The methodology includes baseline measurements, capacitor compensation, load variation analysis, and performance evaluation. Results demonstrate power factor improvement from 0.55 to 0.85 using a capacitance range of 0.6299μF to 15μF. The dimmer-controlled approach effectively increases active power while reducing reactive power from 56.198 VAR to 33.773 VAR, significantly improving voltage stability under varying load conditions.
Development of Freeware-Mobile Application for Learning Electrical Installation in Vocational High Schools Triantini, Dewi; Supriyadi, Edy; Abubakari, Mussa Saidi
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.84201

Abstract

The study aims to design and develop a freeware application for electrical installation planning analysis. This research is categorized as development research, adopting the RAPID Application Development (RAD) model. The data collection process in this study involved a series of methods, including direct observation of the learning process, in-depth interviews with potential users, and the distribution of structured questionnaires to relevant respondents. The analysis of the collected data was carried out using a quantitative descriptive method, which aimed to describe and interpret numerical data related to the performance and acceptance of the developed application. The overall results of this study indicate that the designed and developed freeware application, as a learning media for electrical installation planning analysis, demonstrates highly satisfactory performance and falls into the "Very Good " category. Specifically, the evaluation of the application's functionality aspect showed a success rate of 100%, indicating that all designed features and functions operate according to the expected specifications. Similarly, the assessment of the user interface aspect also reached a percentage of 100%, implying that the application's interface design is intuitive, easy to use, and overall provides a positive user experience. In addition, in terms of material and media feasibility, it produces "Highly Feasible". The application is determined to effectively incorporate electrical installation planning content pertaining to the learning outcomes of determining cable sizes and circuit breaker capacity. Consequently, this freeware application has significant potential to become an effective learning media in enhancing the understanding and skills of students and practitioners in the field of electrical installation planning.
The Development of Virtual Reality-Based Electric Motor Rewinding Learning Media for Improving Electrical Equipment Repair Competency in Vocational Schools Dewi, Ratna; Supriyadi, Edy; Sarwono, Edi
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.84472

Abstract

This development research aimed to develop, assess the feasibility, determine student responses, and evaluate the effectiveness of virtual reality-based electrical motor rewinding learning media in enhancing electrical equipment repair competency at Vocational High Schools. Using the ADDIE model (Analyze, Design, Develop, Implement, Evaluate), the study was conducted at State Vocational High Schools 5 Batam, State Vocational High Schools 7 Batam, and S State Vocational High Schools Teladan Batam. The subjects were 11th-grade students specializing in Electrical Power Installation. Data was collected via interviews, questionnaires, and tests. Expert judgment validated the instruments, and Cronbach Alpha confirmed their reliability. Data analysis involved descriptive statistics and t-tests. The study yielded Virtual Reality based electrical motor re-winding learning media, a guidebook, and job sheets. Feasibility tests showed "very feasible" ratings from both material experts (93%) and media experts (83%). Student responses in the experimental group were "very good" (87%). The media proved effective in improving competency, with experimental group post-test scores significantly higher than the control group. The media demonstrated a "moderate" effectiveness level with a gain score of 0.47, and a t-test value of 0.000 indicated that Ho was rejected and Ha accepted, confirming its effectiveness in enhancing electrical equipment repair competency.  
Enhancing Electric Motor Control of Electric Motor Installation in Indonesian Vocational Schools Using PLC and VSD Technology with HMI Made Suginardha, I; Ima Ismara, Ketut; Supriadi, Muhammad; Hariyanto, Didik; Meunmany, Santiphap
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.84503

Abstract

Vocational education plays a crucial role in producing skilled labor that is prepared to meet industry demands. This research aims to develop a learning medium in the form of an Automated Sorting Conveyor System based on PLC, VSD, and HMI technology to enhance the competencies of vocational high school students in the subject of Electric Motor Installation. This study employs a Research and Development approach with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). Feasibility testing was conducted by subject matter experts and media experts, while effectiveness testing was performed through pre-tests and post-tests with 33 eleventh-grade students at State Vocational High School 1 South Kuta. The validation results indicate that the media was rated highly feasible by experts (media: 84.17%, material: 95.17%). The use of Automated Sorting Conveyor System has proven effective in improving student learning outcomes, with an average gain score of 0.333 for theoretical aspects and 0.335 for practical aspects. This study recommends the use of Automated Sorting Conveyor System media in the practical learning of electric motor control in vocational schools, as well as training for teachers to optimize its use.

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