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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Riset dan Kajian Pendidikan Fisika Jurnal Pendidikan Fisika Indonesia Omega: Jurnal Fisika dan Pendidikan Fisika Berkala Ilmiah Pendidikan Fisika International Journal of Science and Applied Science: Conference Series Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini Momentum: Physics Education Journal Jurnal Pendidikan Fisika dan Keilmuan (JPFK) JECCE (Journal of Early Childhood Care and Education) JPF : JURNAL PENDIDIKAN FISIKA Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Indonesian Review of Physics (IRiP) Impulse: Journal of Research and Innovation in Physics Education Journal of Environment and Sustainability Education
Toni Kus Indratno
Universitas Ahmad Dahlan
Arts Humanities Astronomy Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Design and Development of the Stemdunoise Prototype as a Noise Detector in Classrooms Maryani, Ika; Sukarelawan, Mohammad Irma; Setyawan, Fariz; Indratno, Toni Kus; Susanto, Eko; Ramdani, Hanafi Wahyu
Jurnal Pendidikan Fisika Vol 13, No 2 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i2.17718

Abstract

Excessive classroom noise poses a serious challenge to effective learning, particularly in physics education, where conceptual clarity and experimental observation are essential. Addressing this issue, this study aims to design and evaluate the STEMDUNOISE prototype an Internet of Things (IoT)-based device that monitors and classifies real-time classroom noise levels to support better learning environments. The research employed a Research and Development (RD) method based on the Borg and Gall model, encompassing needs analysis, system design, prototyping, and preliminary trials. The system integrates an ESP32 microcontroller, MAX9814 sound sensor, ESP32-CAM for automatic video capture, and visual alerts through OLED and LED displays. Testing was conducted in both laboratory and classroom settings to ensure the accuracy of performance and user acceptability. Results show that STEMDUNOISE effectively categorizes noise into three levels: low (45–55 dB), medium (55–65 dB), and high (65–90 dB), providing immediate feedback through colored LEDs and real-time data via the Blynk platform. Its novelty lies in the combination of real-time sound analysis and automated video documentation in a compact and reusable tool. Conclusions indicate that the system enhances noise awareness, supports classroom management, and improves student engagement and focus during physics instruction. The findings contribute significantly to physics education by fostering distraction-free environments, promoting self-regulated learning, and offering data-driven solutions for educational policy and instructional improvement.
Energy Efficiency as Green Campus Development from IIUM Academicians Perspective Nursulistiyo, Eko; Pramudyani, Avanti Vera Risti; Indratno, Toni Kus; Asmorojati, Anom Wahyu
Indonesian Review of Physics Vol. 7 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v7i2.11344

Abstract

Green Campus is an important program to solve environmental problems. One part of Green Campus is energy efficiency on campus. This study aims to determine the implementation and knowledge of green campus policies at IIUM through a survey of IIUM academicians. The results of the energy efficiency survey data analysis showed that students, lecturers, and staff at IIUM have been Good in the efficiency of using lights (80.59%), quite good in the efficiency of using AC (68.82%), quite good in knowing the implementation of energy efficiency by IIUM (64.12%), and quite knowledgeable about the energy efficiency management system and its monitoring (60.59%). Based on these results, it is necessary to improve understanding, socialization, and implementation of energy efficiency programs on campus accompanied by monitoring
Development of a remote physics laboratory to support equitable access to education Ishafit, Ishafit; Sukarelawan, Moh Irma; Indratno, Toni Kus; Puspitasari, Ariati Dina; Prabowo, Yoga Dwi
International Journal of Evaluation and Research in Education (IJERE) Vol 14, No 3: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijere.v14i3.32384

Abstract

Economic disparities and variations in geographical conditions in Indonesia exacerbate access to physics laboratories. Therefore, innovative solutions such as remote physics laboratories are needed to bridge this gap and provide more equitable access to students across the region, regardless of economic or geographical conditions. To overcome this, this research aims to develop a remote physics laboratory for equitable access to quality physics experiments. This research includes 4D model development research. The research subjects involved five students for the functionality test, 84 people for the user test, and ten media experts to assess the feasibility of the product. The instruments used include functionality test instruments, media expert assessments, and usefulness, satisfaction, and ease of use (USE) questionnaires. Tool functionality data and media expert validation were analyzed using the Aiken V technique. At the same time, the level of user acceptance was examined through a combination of Wright maps and logit item values. This development resulted in a remote physics experiment architecture and device with a good functionality assessment index. The assessment by media experts showed high validity. The level of user acceptance is classified in the medium to high category. Thus, the developed R-PhyLab has the potential to be an effective medium in equalizing access to quality physics laboratories in educational institutions that face economic limitations and unfavorable geographical conditions.
Design and Development of the Stemdunoise Prototype as a Noise Detector in Classrooms Maryani, Ika; Sukarelawan, Mohammad Irma; Setyawan, Fariz; Indratno, Toni Kus; Susanto, Eko; Ramdani, Hanafi Wahyu
Jurnal Pendidikan Fisika Vol. 13 No. 2 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i2.17718

Abstract

Excessive classroom noise poses a serious challenge to effective learning, particularly in physics education, where conceptual clarity and experimental observation are essential. Addressing this issue, this study aims to design and evaluate the STEMDUNOISE prototype an Internet of Things (IoT)-based device that monitors and classifies real-time classroom noise levels to support better learning environments. The research employed a Research and Development (R&D) method based on the Borg and Gall model, encompassing needs analysis, system design, prototyping, and preliminary trials. The system integrates an ESP32 microcontroller, MAX9814 sound sensor, ESP32-CAM for automatic video capture, and visual alerts through OLED and LED displays. Testing was conducted in both laboratory and classroom settings to ensure the accuracy of performance and user acceptability. Results show that STEMDUNOISE effectively categorizes noise into three levels: low (45–55 dB), medium (55–65 dB), and high (65–90 dB), providing immediate feedback through colored LEDs and real-time data via the Blynk platform. Its novelty lies in the combination of real-time sound analysis and automated video documentation in a compact and reusable tool. Conclusions indicate that the system enhances noise awareness, supports classroom management, and improves student engagement and focus during physics instruction. The findings contribute significantly to physics education by fostering distraction-free environments, promoting self-regulated learning, and offering data-driven solutions for educational policy and instructional improvement.
Problem-solving ability of high school students: Preliminary study analysis using rasch modeling Syifa, Annisa; Azizah, Anisa Nur; Fardanti, Aribah Chika; Rahayu, Fatonah; Indratno, Toni Kus; Sukarelawan, Moh. Irma; Abdullah, Nurul Syafiqah Yap
Journal of Environment and Sustainability Education Vol. 2 No. 2 (2024)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v2i2.37

Abstract

One of the problems in learning physics is the weak ability of students to solve problems. Therefore, this study aims to conduct a preliminary study to recommend appropriate learning models. The type of research used is survey research. As many as 23 students were involved as primary data sources to determine the need for problem-solving skills. Respondents came from class XI of one of the state high schools in Yogyakarta. Problem-solving ability data was collected using 16 survey items formatted in the Google Form. Data analysis was performed using Rasch modeling. The analysis results show that there are limitations in students' problem-solving skills or abilities. Based on the survey results, it is recommended that the Problem base learning or guided inquiry model can be an alternative to optimizing students' problem-solving abilities.
Quality of Four-Tier Diagnostic Test on Wave and Vibration Materials: An Empirical Study Using Rasch Modeling Sukarelawan, Moh. Irma; Indratno, Toni Kus; Oktova, Raden; Abdullah, Nurul Syafiqah Yap
Jurnal Pendidikan Fisika Indonesia Vol 20, No 1 (2024)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v20i1.47493

Abstract

Not all teachers have the ability to develop diagnostic instruments for misconception. Meanwhile, there is an urgent need to diagnose student misconceptions. Therefore, this research aims to carry out the process of adapting misconception-diagnostic instruments to wave and vibration materials. This study used a cross-sectional quantitative survey method. The adaptation process was conducted with 306 state high school students taking wave and vibration classes. Respondents were selected using convenience sampling techniques. 4WADI (Four-tier Wave and vibration Diagnostic Instrument) was translated into Indonesian, consulted with language experts, and assessed by material and evaluation experts to produce an instrument appropriate to the Indonesian cultural context. Before the empirical test was carried out, I-4WADI (Indonesian et al. and vibration Diagnostic Instrument) was tested for readability on 35 students. As a result, the I-4WADI has excellent readability. The validation results of six experts were analyzed using the Aiken V technique. A total of 25 items were used for expert validation. Empirical validation data were analyzed using the Rasch model. Review empirical validation from the aspects of item fit and unidimensionality. The analysis results show that I-4WADI has good quality based on validity and reliability. The infit MnSq values ranged from 0.81 to 1.40, and the outfit MnSq values ranged from 0.71 to 1.36. The instrument reliability value is 0.98. So, I-4WADI can be applied to high school students in Indonesia. These findings have practical implications for teachers who wish to diagnose students' misconceptions about waves and vibration.
Co-Authors Abdullah, Nurul Syafiqah Yap Abdullah, Nurul Syafiqah Yap binti Akhmad Yusuf Anisa Nur Azizah, Anisa Nur Anom Wahyu Asmorojati Ariati Dina Puspita Ariati Dina Puspitasari, Ariati Dina Arifiyanti, Fitria Avanti Vera Risti Pramudyani Dennis Dennis Dina Puspitasari, Ariati Eko Nur Sulistyo Eko Nursulistiyo Eko Susanto Ety Dwiastuti Fardanti, Aribah Chika Fitri Nur Hikmah Hikmah, Fitri Nur Ika Maryani Ishafit Ishafit Ishafit Ishafit Ishafit Ishafit Jumadi Jumadi Kustianingsih, Diah Ayu Laifa Rahmawati Laifa Rahmawati, Laifa Moh. Irma Sukarelawan Moh. Toifur Nursulistyo, Eko Nuryana, Zalik Prabowo, Yoga Dwi Pratiwi Dwijananti Prima Suci Rohmadheny Puspita, Ariati Dina Puspitasari, Dara Raden Oktova Rahayu, Fatonah Ramadhan, M. Firman Ramdani, Hanafi Wahyu Setyawan, Fariz Soeharto Soeharto Sukarelawan, Mohammad Irma Syifa, Annisa Toifur, Moh. Widodo Widodo Widodo Widodo Zulfa 'Amalia Rahmatika