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All Journal Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Phenomenon : Jurnal Pendidikan MIPA At-Taqaddum Berkala Ilmiah Pendidikan Fisika Jurnal Penelitian Pembelajaran Fisika Journal of Physics and Its Applications JURNAL EKSAKTA PENDIDIKAN (JEP) COMPTON: Jurnal Ilmiah Pendidikan Fisika Physics Education Research Journal Physics Communication Community Research and Application Journal (CRAJ)
Joko Budi Poernomo
Universitas Islam Negeri Walisongo Semarang
Religion Agriculture, Biological Sciences & Forestry Astronomy Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Guidance on Making Tea Bags from Kersen Leaves for The Residents of Rt 05 Rw 05, Lamper Tengah Subdistrict, Semarang City Agus Sudarmanto; Joko Budi Poernomo; Andi Fadllan; Andi Ismail
Community Research and Application Journal (CRAJ) Vol. 1 No. 2 (2025): June
Publisher : Konsorsium Pengetahuan Innoscientia (KOPINNOS)

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Abstract

Tea is a beverage that contains caffeine, an infusion made by brewing leaves, leaf buds, or leaf stems. Kersen, also known as talok (Muntingia calabura), is a type of tree with small, sweet, bright red fruits. In addition to its edible fruits, the leaves can also be used as an ingredient for beverages. Kersen leaves have antiseptic and antibacterial properties, making them useful for boosting the immune system and treating various illnesses. For this reason, our team intends to provide assistance in producing tea from kersen leaves for the residents of RT 05 RW 05, Lamper Tengah Subdistrict, Semarang City. The stages of this community service program include: (1) Socialization of the benefits of kersen leaves; (2) Training; (3) Monitoring and mentoring.The impacts of this program include: (1) PKK women’s group members of RT 05 RW 05, Lamper Tengah Subdistrict gain knowledge about the benefits of kersen leaves; (2) Improved knowledge and skills in processing kersen leaves into tea bags; (3) Increased entrepreneurial motivation among PKK women’s group members of RT 05 RW 05.
Implementing Nearpod-assisted Inquiry Based Learning on Students’ Critical Thingking Skills at Fluids Topic Finurikha Fina Udiana; Joko Budi Poernomo; Edi Daenuri Anwar
Physics Communication Vol. 10 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/pc.v10i1.31746

Abstract

Research on Implementing Nearpod-assisted Inquiry Based Learning on Students’ Critical Thingking Skills at Fluids Topic. This research was conducted at SMA Negeri 3 Demak using a quantitative approach and quasi-experimental design , namely pretest posttest control group design. Data analysis techniques used homogeneity test, normality test, n-gain test, t-test, and Likert scale test. There is a difference in students' critical thinking skills between the experimental and control classes using the Nearpod -assisted Inquiry Based Learning model . Data analysis shows that the increase in critical thinking skills in the experimental class is in the high category, while in the control class it is in the medium category. Student responses to the implementation of the Nearpod-assisted Inquiry Based Learning model are in the very positive category. This is indicated by the percentage of responses of 77% in the strongly agree category and 22% in the agree category.
A Real-Time Hooke's Law Experiment using IoT Mobile Application Agus Sudarmanto; Joko Budi Poernomo; Jatmiko Endro Suseno; Ari Bawono Putranto; Muhammad Abdul Basit
Journal of Physics and Its Applications Vol 8, No 1 (2026): February 2026
Publisher : Diponegoro University Semarang Indonesia

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Abstract

Hooke's Law is one of the topics in physics that can be simplified for better understanding through practical methods. This research aims to design a Real-Time remote Hooke's Law experiment in laboratory with Blynk as IoT Mobile Application, allowing students to experiment more flexibly in terms of time and location. The research methodology is based on Research and Development (R&D), including hardware design, software design, testing and data collection, data analysis, and report writing. This study resulted in the development of a laboratory Hooke's Law experiment and a Blynk application as its controller. The apparatus was tested by conducting experiments with three different loads: 30 grams, 40 grams, and 50 grams. The experiments aimed to obtain the spring constant, k, which were then processed using Hooke's Law formula based determine spring elongation data, ∆x. The 30 gram load yielded an average ∆x of 0.059 meters with an accuracy of 99.98% and an average k value of 4.90 N/m with an accuracy of 98.75%. The 40 gram load yielded an average ∆x of 0.059 meters with an accuracy of 99.93% and an average k value of 5.32 N/m with an accuracy of 95.40%. The 50 gram load yielded an average ∆x of 0.089 meters with an accuracy of 99.94% and an average k value of 5.53 N/m with an accuracy of 96.39%. The overall accuracy of the apparatus was 99.95% for ∆x and 96.18% for the spring constant. The system can choose the mass, m with control the stepper motor via mobile application and the result of research can be monitored in smartphone display such as such as spring elongation, ∆x, and spring constant, k as well as streaming video for monitoring purposes. [1]      Arsada, Bakhtiyar, and B. Suprianto, “Ultrasonic Sensor Application for Distance Position Detection in Space Using Arduino Uno” State Univ. of Surabaya, 6(2), 137-145, (2017).[2]      K. A. Gamage, D. I. Wijesuriya, S. Y. Ekanayake, A. E. Rennie, C. G. Lambert, and N. Gunawardhana, "Online delivery of teaching and laboratory practices: Continuity of university programmes during COVID-19 pandemic" Educ. Sci., 10(10), 291, (2020). [3]      H. S. Wattimena, A. Suhandi, and A. Setiawan, “Indonesian Physics Education Journal” Indones. Phys. Educ. J., 10(2), 128–139, (2014).[4]      B. K. Prahani, E. Hariyono, H. V. Saphira, I. Zakhiyah, S. Eliezanatalie, and M. H. Ismail, "Digitalization of Physics Laboratory Tools: Increase Undergraduate Students Learning Motivation and Problem-Solving Skills" TEM J., 14(3), 2371–2380, (2025).[5]      S. Madakam, R. Ramaswamy, and S. Tripathi, "Internet of Things (IoT): A Literature" J. Comput. Commun., 3, 164–173, (2015).[6]      M. N. Ramadhani, "Real Laboratory Praktikum Kefisien Muai Panjang Berbasis Internet of Things dan Aplikasi Android" S1 Thesis, Universitas Islam Negeri Walisongo Semarang, (2021).[7]      Z. Wan, Y. Song, and Z. Cao, "Environment dynamic monitoring and remote control of greenhouse with ESP8266 NodeMCU" in Proc. 2019 IEEE 3rd Inf. Technol., Netw., Electron. Autom. Control Conf. (ITNEC), 377–382, (2019). [8]      D. C. Giancoli, Physics, Vol. 1, Jakarta: Erlangga, (2001).[9]      N. Azman, Internet of Things dan Komputasi Edge: Pengenalan Hingga Keamanan, Jakarta: CV. Tampuniak Mustika Edukarya, (2020).[10]  A. Kusumaningrum, A. Pujiastuti, and M. Zeny, "Pemanfaatan Internet of Things pada Kendali Lampu" Compiler, 6(1), 53–59, (2017). [11]  T. Juwariyah, S. Prayitno, and A. Mardhiyya, "Perancangan Sistem Deteksi Dini Pencegah Kebakaran Rumah Berbasis ESP8266 dan Blynk" J. Transistor EI, 3(2), 120–126, (2018).[12]  I. Setiawan and D. Sutarno, "Pembuktian Eksperimental Pengaruh Jumlah Lilitan Pegas dan Diameter Pegas terhadap Konstanta Pegas" in Conf. Proc. Sci., (2011).[13]  P. F. Yudha and R. A. Sani, "Implementasi sensor ultrasonik HC-SR04 sebagai sensor parkir mobil berbasis Arduino" Einstein E-J., 5(3), 19–26, (2019).[14]  G. N. Prakasa, "Prototipe Kunci Pintu Menggunakan Motor Stepper Berbasis Arduino Mega 2560 Dengan Perintah Suara Pada Android" S1 Thesis, Universitas Lampung, (2017).[15]  Y. Efendi, "Internet of Things (IoT) Light Control System Using Mobile-Based Raspberry Pi" Sci. J. Comput. Sci., 4(1), 19–26, (2018). [16]   C. Dziuban, C. R. Graham, P. D. Moskal, A. Norberg, and N. Sicilia, "Blended learning: the new normal and emerging technologies" Int. J. Educ. Technol. High. Educ., 15(1), 3, (2018).[17]  C. Dziuban, C. R. Graham, P. D. Moskal, A. Norberg, and N. Sicilia, "Blended learning: the new normal and emerging technologies" Int. J. Educ. Technol. High. Educ., 15(1), 3, (2018).[18]  M. R. Hidayat, S. Christiono, and S. S. Budi, “Design of IoT-Based Home Security System with NodeMCU ESP8266 Using PIR HC-SR501 Sensor and Smoke Detector Sensor” Kilat J., 7(2), 140–141, (2018).A. Cocco and S. C. Masin, "The Law of Elasticity" Psicologica, 31(3), 647–657, (2010). 
Co-Authors Agus Sudarmanto Agus Sudarmanto Andi Fadllan Andi Ismail Ari Bawono Putranto Azizah, Lutfita Mukharovatun Baehaqi Edi Daenuri Anwar Fachrizal Rian Pratama Faqih, Muhammad Izzatul Fariyani, Qisthi Fihris Sa’adah Finurikha Fina Udiana H M A Kumala Jatmiko Endro Suseno Lutfita Mukharovatun Azizah Maulana, Andika Rifqi MIFTAKHUL JANNAH Muhammad Abdul Basit Nurjanah, Resa Ahliana Sadad, Imam Akmal Sugito - Susilawati Susilawati Tiyas Rahmawati Vira Septi Amelia Ziyana Walida Prama