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Yudi Guntara
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Departemen of Physics Education Faculty of Teacher Training and Education Universitas Sultan Ageng Tirtayasa Jl. Raya Ciwaru No. 25, Sempu, Kota Serang, Banten, 42117.
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Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 2442515X     EISSN : 25281976     DOI : http://dx.doi.org/10.30870/gravity.vxix
Core Subject : Science, Education,
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics
The focuses of the manuscript received in the Gravity journal is limited to the topic: Physics Education (Media, Educational Policy, Assessment, Learning Model) Theoretical Physics Material Physics Earth and Environmental Physics Astrophysics Medical Physics Computational Physics and Instrumentation
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 212 Documents
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Development of an information system to test formalin content in salted fish with Java NetBeans Dewi Anggraini Anggraini; Robby Mafirli; Stella Apfiasari; Endi Permata; Yus Rama Denny; Irvan Akram
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 12, No 1 (2026)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/gravity.v12i1.41403

Abstract

Salted fish, nowadays, most traders use dangerous preservatives; the preservative is Formalin. Traders use these chemicals because food becomes more durable, even though it will be consumed by humans. But because of a lack of public knowledge about foods that contain hazardous chemicals. Therefore, an automatic device based on an Arduino Uno R3 microcontroller is designed. This Arduino Uno R3 microcontroller-based system can test food practically and effectively, which shows quantitative results, because it does not take a long time to see the results. The TCS3200 color sensor is used to detect food samples containing Formalin mixed with Formalin Main Reagent according to the dose. Then the sensor will detect the color that changes after everything has reacted, and the buzzer alarm will sound when the positive result contains Formalin. The test results will be displayed on the 16x2 LCD screen and Java NetBeans application, where the output is in the form of detection of formalin or formalin-free. Preliminary data collection in this study was conducted using literature and observation. Data analysis techniques used are quantitative analysis and qualitative analysis. Based on the results of the study, the level of performance test data, Development of Formalin Content Test Equipment in Salted Fish Using TCS3200 Color Sensor Based on Arduino Microcontroller, obtained a score of 74 with the category "Very Feasible".
“Who’s the next einsteingen?”: Evaluating a gamified Project-Based Learning model for TPACK development and user satisfaction in physics teacher preparation Yudi Guntara; Sohibatul Rizqiah; Aden Yusril Sasmita; Yoni Yoni; Bunga Kusuma Putri; Febri Sahara; Salwa Nurfitriandini; Muhammad Rayhan Dwi Ernanda
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 12, No 1 (2026)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/gravity.v12i1.40966

Abstract

Physics teacher education is faced with the challenge of equipping prospective teachers with TPACK competencies and skills to design learning media that are relevant to Generation Z. This study aims to evaluate the effectiveness of gamification-integrated Project-Based Learning (PBL) programs through the production of educational game show media "Who's the Next Einsteingen?" or WtNE. This study uses a program evaluation approach with the CIPP and Kirkpatrick evaluation models. Participants consisted of 50 prospective physics teacher students as project makers and 40 students as audiences. Data was collected through project performance appraisal instruments and Likert-scale user response questionnaires, which were then analyzed using descriptive statistics. The results of the performance evaluation showed that the majority of project makers (66%) obtained a final grade of “A”, which indicates successful mastery of pedagogical and technical competencies. In addition, product evaluations show that audiences respond very positively, with gamification attractiveness indicators achieving the highest approval (87.8%). It can be concluded that the WtNE gamification-based PBL model is effective as a holistic learning ecosystem that is able to develop the competencies of prospective physics teachers while producing media that is in great demand by target users.

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