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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) IAES International Journal of Robotics and Automation (IJRA) International Journal of Applied Power Engineering (IJAPE) Jurnal Penelitian Saintek AQUATIC SCIENCE & MANAGEMENT Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Pendidikan IPA Indonesia JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Teknologi Informasi dan Ilmu Komputer JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Edufisika: Jurnal Pendidikan Fisika IJIET (International Journal of Indonesian Education and Teaching) Jurnal Ilmiah Pendidikan Fisika PENDIPA Journal of Science Education COMPTON: Jurnal Ilmiah Pendidikan Fisika JPBIO (Jurnal Pendidikan Biologi) PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Kasuari: Physics Education Journal (KPEJ) Silampari Jurnal Pendidikan Ilmu Fisika Jurnal Paedagogy Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Bioscientist : Jurnal Ilmiah Biologi Prima Abdika: Jurnal Pengabdian Masyarakat Darmabakti: Jurnal Inovasi Pengabdian dalam Penerbangan Jurnal Inovasi Pengabdian Masyarakat Pendidikan East Asian Journal of Multidisciplinary Research (EAJMR) IJOEM: Indonesian Journal of Elearning and Multimedia Finger : Jurnal Ilmiah Teknologi Pendidikan Amplitudo: Jurnal Ilmu dan Pembelajaran Fisika Aktual : Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan MIPA IJIS Edu : Indonesian Journal of Integrated Science Education

Mayub, Afrizal

Universitas Bengkulu

Author-ID : 698416

Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Social Sciences Transportation Other

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PENGEMBANGAN PEMAHAMAN TANAMAN OBAT DALAM PENDIDIKAN KONSERVASI MENDUKUNG PENGEMBANGAN KEBUN TOGA DI SMP KHAIRUL UMAH REJANG LEBONG Listiono, Arsela Eko; Umaya, Umaya; Firdaus, Mochamad Lutfi; Nursa’adah, Euis; Mayub, Afrizal; Fitri, Elsi Adelia
Jurnal Inovasi Pengabdian Masyarakat Pendidikan Vol. 5 No. 1 (2024): JIPMP
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jurnalinovasi.v5i1.36975

Pengabdian kepada masyarakat ini diselenggarakan di SMP IT Khoirul Ummah Rejang Lebong. Jika dilihat berdasarkan tata kelola gedung, SMP IT Khoirul Ummah belum memiliki gedung laboratorium namun memiliki lahan kosong yang cukup luas dan berpotensi dalam mengembangkan taman tanaman obat keluarga sebagai sumber bahan belajar bagi siswa. Metode yang digunakan meliputi penyampaian materi, sesi diskusi, demonstrasi pembuatan simplisia serta uji larutan asam basa, dan penanaman bunga telang sebagai pendidikan konservasi. Hasilnya yaitu terciptanya kebun tanaman obat keluarga yang dapat dimanfaatkan serta dikelola lebih baik oleh warga SMP IT Khoirul Ummah. Selain itu juga peserta pengabdian masyarakat ini khususnya warga SMP IT Khoirul Ummah memperoleh pengetahuan baru serta wawasan mengenai manfaat tanaman obat di sekitar untuk dijadikan sebagai obat pendamping keluarga.

Strengthening Spiritual Values through Environmental Physics Learning Assisted by Authentic Data Modelling and Visual Media Johan, Henny; Mayub, Afrizal; Wardana, Rendy Wikrama; Herawati, Asmida; Sudirman, Sudirman; Noviana, Noni; Umaya, Umaya
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 13 No 1 (2024): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v13i1.22377

Environmental Physics concepts are very likely to be explored to facilitate the cultivation of spiritual attitudes because they are closely related to phenomena in everyday life. Visual media can help visualize environmental phenomena so that they are easier to understand. This study aims to instill spiritual values through the concept of Environmental Physics as an alternative learning that focuses on the affective domain with the help of visual media. This study involved 15 science education postgraduate students. This research used a Pre-experimental design with a Shoot Case Study. The research design includes pre-experiment, experiment, and analysis of experimental data results. In the pre-experiment stage, the concept of environmental physics and spiritual attitudes were analyzed, learning tools were prepared, and questionnaire instruments for student perceptions related to the cultivation of spiritual values were prepared. At the experimental stage, the implementation of Environmental Physics learning integrated with spiritual values was carried out. In the post-experiment stage, data analysis and interpretation were carried out to answer research problems. Based on the results of data analysis, it is known that 92.15% of respondents strongly agree that learning environmental physics can instill awareness of the nature of God. Based on the results of the open-ended questionnaire, it is known that students can explain the content of spiritual values in various phenomena in the environment. In addition, students stated that visual media can facilitate the activity of instilling awareness that God is omnipotent over all the universe. Thus it can be concluded that environmental physics learning activities can instil spiritual attitudes through environmental physics content assisted by visual media. Science content, especially environmental physics, is very relevant in instilling spiritual values

Development of a Science Module Based on Local Wisdom of Dried Octopus to Improve Students' Cognitive Learning Outcomes on the Material of Temperature, Heat, and Expansion Pistira, Pistira; Mayub, Afrizal; Defianti, Aprina; Nursa'adah, Euis; Wardana, Rendy Wikrama
IJOEM Indonesian Journal of E-learning and Multimedia Vol. 4 No. 3 (2025): Indonesian Journal of E-learning and Multimedia (October 2025)
Publisher : CV. Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijoem.v4i3.455

Background: Science teaching at the junior high school (SMP) level still struggles to connect scientific concepts with students' everyday experiences. The absence of local wisdom integration contributes to low motivation and poor understanding of scientific material. One underutilized local potential is the traditional drying process of octopus practiced by coastal communities in Kaur Regency, Bengkulu.Aims: This study aims to develop and assess the feasibility of a science learning module based on the local wisdom of dried octopus, focusing on the concepts of temperature, heat, and expansion for seventh-grade students.Method: Using a Research and Development (R&D) approach with the ADDIE model, the study involves five stages: analysis of student and teacher needs, module design, expert-validated development, implementation through a readability test involving 21 seventh-grade students at SMP Negeri 24 Kaur, and final evaluation.Results: The results of the expert validation showed a module feasibility level of 95% with the category "very feasible," while the student readability test obtained an average score of 97% with the category "very easy to understand." The developed module also received positive responses from students regarding engagement, content clarity, language, and usefulness.Conclusion: The science module based on the local wisdom of octopus drying is considered highly feasible and practical for teaching temperature, heat, and expansion. Integrating local wisdom into science learning has been proven to improve students’ cognitive learning outcomes and foster awareness of local cultural values.

Solar cell-based garden light automation for environmentally friendly technology learning Mayub, Afrizal; Fahmizal, Fahmizal; Lazfihma, Lazfihma
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp1457-1471

This research aims to: 1) Produce a prototype design for a solar cell-based automatic garden lighting system; 2) Determine the relationship between current, power, and voltage and light intensity; 3) Describe the feasibility of an environmentally friendly technology practicum guidebook; and 4) Describe teacher and student responses to the environmentally friendly technology practice guidebook. This research is R&D type Analysis, Design, Development, Implementation and Evaluation (ADDIE) Analysis, design, development, implementation and evaluation. The research sample used 44 class IX students at MTS Rahmatullah. According to students, aspects of teaching materials, aspects of content, and difficulty of teaching materials at school are inadequate at 84.25%, 80% and 82.5%. Student interest in environmentally friendly technology practicum guidebooks was 84.25%. The higher the light intensity, the higher the current, power, and voltage. Expert validation shows; the prototype of an automatic garden lighting system based on solar cells and a practical guidebook on environmentally friendly technology are very suitable for use (89.14% and 90.75%). The use of environmentally friendly technology practicum guidebooks increased students' critical thinking skills in the high category (N-Gain = 0.7937) and received responses from teachers and students in the "almost all" category (91.50% and 89.9%).

Needs Analysis for the Development of Student Worksheets on Heat Material in the Context of a Solar Energy Desalinator Aniliawati, Ur; Wardana, Rendy Wikrama; Mayub, Afrizal
IJIS Edu : Indonesian Journal of Integrated Science Education Vol 5, No 1 (2023): January 2023
Publisher : UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/ijisedu.v5i1.6505

Before using student worksheets, so that they can be used legally, they should be tested first on at least 3 experts and tested on students. The type of research used is descriptive qualitative. This needs analysis aims to determine what teaching materials are needed in the heat material at Junior High School 4 Bengkulu City. The method in this study, researchers used the Research and Development (R&D). ADDIE model development procedure. The research was carried out in September 2022. The research sample consisted of 40 students who were in 8th grade. The research instruments were in the form of interviews and student response questionnaires which consisted of 18 question items regarding the needs of integrated worksheets for solar energy-based desalinator designs which contained 4 aspects namely indicator aspects, teaching material needs aspects, learning media aspects, and interest aspects. The results of student response data based on aspects of the average indicator of 80% do not use Student Worksheets on heat material, the aspect of teaching material needs on average is 80% of students find it difficult to learn science on heat material with teaching materials that used by teachers, the learning media aspects of students on average 77% rarely use laboratories to conduct experiments or practicums, so teachers rarely use and provide Student Worksheets to students in science lessons, and the motivational aspects of student interest on average on average 82% are quite interested, quite enthusiastic about learning science so what are they interested in developing Student Worksheets teaching materials. From the data obtained, some students agree that it is necessary to develop Student Worksheets

Acoustic Characteristics of Several Fish Species of Jenggalu River Estuary Through Controlled Measurements in Bengkulu City Bakhtiar, Deddy; Malau, Defi Dormasi; Silaban, Sintiana; Esra, Gracia; Mayub, Afrizal
East Asian Journal of Multidisciplinary Research Vol. 3 No. 2 (2024): February 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/eajmr.v3i2.7830

Estuary waters are important habitats as spawning and nursery areas for various species of fish so it is necessary to monitor the fish resources in them. The purpose of this study is to analyze the target strength values of various estuary fish species from the Jenggalu River estuary through controlled measurements and formulate the relationship of target strength to total fish length. The controlled acoustic method uses a Simrad EK-15 echosounder with a frequency of 200 kHz. Measurements were taken in the pond using the tethered method, where the dead test fish was hung horizontally on the frame and then the acoustic signal was emitted vertically from above. The samples used were 13 species of fish with a total of 62 fish. The results obtained the average value of target strength has a range of values ranging from -68.86 to -54.80 dB. The relationship between the target strength value and the total length of the fish shows a very strong relationship with the correlation coefficient (r) value ranging from 0.86 – 0.96 and the coefficient of determination shows more than 74% of the TS value is influenced by the size of the fish length. The resulting equation model of the relationship between TS and total length size showed that TS values on the dorsal aspect increased in proportion to the square of fish length.

Aplikasi Konsep Sains dalam E-Comic Bencana Banjir untuk Meningkatkan Keterampilan Berpikir Kritis dan Membekalkan Kesiapsiagaan Bencana Siswa SMP Laberta, Tinu; Nursa’adah, Euis; Mayub, Afrizal; Karyadi, Bhakti; Bramastia
COMPTON: Jurnal Ilmiah Pendidikan Fisika Vol 11 No 2 (2025): Compton: Jurnal Ilmiah Pendidikan Fisika
Publisher : Prodi Pendidikan Fisika Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/cjipf.v11i2.20882

Low levels of disaster literacy and critical thinking among students highlight the need for innovative and contextualized learning media in science education. This research develops and evaluates the effectiveness of a flood disaster mitigation science E-comic to enhance students’ critical thinking and disaster preparedness. The study employed a Research and Development (R&D) approach using the 4D model (Define, Design, Develop, and Disseminate). Validation results indicated that the E-comic is feasible as a learning medium, with CVI values of 0.89 (media) and 1.00 (content). The use of the E-comic effectively improved students’ critical thinking skills and disaster preparedness, as evidenced by high N-Gain scores and significant statistical results. The improvement was consistently observed across all disaster preparedness indicators, including knowledge, attitudes, and response planning. The study concludes that the flood disaster mitigation E-comic is both effective and feasible as a contextual science learning medium. The integration of flood-related physical science concepts demonstrates how contextualized media can strengthen scientific literacy in disaster education.

Implementation of Computer Simulation to Streamline Satellite Motion Learning Mayub, Afrizal
IJOEM Indonesian Journal of E-learning and Multimedia Vol. 2 No. 1 (2023): Indonesian Journal of E-learning and Multimedia (January 2023)
Publisher : CV. Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijoem.v2i1.61

This study aims to (1) produce a simulation-based satellite motion learning program, (2) describe the effectiveness of simulation-based satellite motion learning, (3) describe the level of effectiveness of satellite motion learning using simulation. The research method consists of; First, software engineering research, namely making satellite motion simulation learning programs based on simulation including: analysis, design, code, and testing. Second, research to see the effectiveness of simulation-based satellite motion simulation learning programs. Sampling using total sampling technique. Based on this, the researchers determined a sample of all Science Masters students in semesters 1 and 3 for the 2021/2022 school year as many as 40 people. The results showed that the satellite motion simulation learning program based on simulation was effective in learning, this can be seen from the N Gain value of 0.60 which is in the high or very effective category. Based on the simulation-based satellite motion learning questionnaire, it is effectively used for satellite motion material. It can be seen from the score obtained at 4.14 (from a scale of 1-5) in the effective category.

Learning Media Based on Computer Simulation for Effective Parabolic Motion Learning Mayub, Afrizal
IJOEM Indonesian Journal of E-learning and Multimedia Vol. 2 No. 2 (2023): Indonesian Journal of E-learning and Multimedia (May 2023)
Publisher : CV. Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijoem.v2i2.152

This study aims to (1) produce a computer simulation-based parabolic motion learning program, (2) describe the effectiveness of computer simulation-based parabolic motion learning, (3) describe the level of effectiveness of parabolic motion learning using computer simulation. The research method consists of; First, software engineering research is to create a Parabolic motion simulation learning program based on computer simulation including: analysis, design, code, and testing. Second, research to see the effectiveness of computer simulation baseParabola motion simulation learning programs. Sampling using total sampling technique. Based on this, the researchers determined a sample of all Science Masters students in semesters 1 and 3 for the 2021/2022 academic year as many as 40 people. The results showed that computer simulation-based Parabolic motion simulation learning programs were effective in learning, this can be seen from the N-Gain value of 0.65 which is included in the high or very effective category. Based on a two-dimensional motion simulation questionnaire based on computer simulation, it is effectively used for two-dimensional motion material, this can be seen from the score obtained at 4.4 (on a scale of 1-5), namely in the effective category.

Logika Fuzzy pada Robot Inverted Pendulum Beroda Dua Fahmizal, Fahmizal; Setyawan, Galih; Arrofiq, Muhammad; Mayub, Afrizal
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 4 No 4: Desember 2017
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

AbstrakRobot inverted pendulum beroda dua (IPBD) merupakan sistem yang tidak stabil dan bersifat non-linear. Motor DC sebagai penggerak robot yang terletak pada masing-masing roda kiri dan kanan memberikan variabel gaya untuk mempertahankan kestabilan robot. Oleh karena itu diperlukan suatu kendali yang dapat menjaga keseimbangan dari robot. Makalah ini memaparkan kendali logika fuzzy dalam hal pengendali keseimbangan robot. Pada perancangan robot ini, penulis menggunakan senor inertia measurement unit (IMU) versi MPU 6050 sebagai sensor pendeteksi keseimbangan robot. Nilai setpoint sudut robot yang diberikan adalah sudut elevasi robot terhadap sumbu horizontal atau pada sumbu pitch. Selanjutnya, nilai keluaran sensor IMU dibandingkan dengan setpoint. Lebih lanjut, nilai kesalahan (error) dan nilai perubahan kesalahan (delta errror) yang dihasilkan akan digunakan sebagai masukan logika fuzzy. Hubungan relasi masukan fuzzy diselesaikan dengan aturan Mamdani. Keluaran dari logika fuzzy diselesaikan dengan perhitungan weight average (WA). Hasil keluaran logika fuzzy berupa nilai putaran motor kiri dan kanan yang dikendalikan dengan cara mengatur lebar pulsa sinyal pulse with modulation (PWM). Dari hasil pengujian diperoleh bahwa kendali logika fuzzy yang diaplikasikan pada robot IPBD dapat menjaga keseimbangan robot dengan osilasi pada sudut -2 hingga 2 derajat.Kata kunci: Logika Fuzzy, Inverted Pendulum, IMU AbstractInverted robot pendulum two (IPBD) is an unstable system that is naturally and non-linear. The DC motor as a robot drive located on each of the left and right wheels provides a force variable to maintain the robot's stability. Therefore we need a control that can maintain the balance of the robot. This paper presents fuzzy logic control in terms of robot balance control. In designing this robot, the author uses inertia measurement unit senator (IMU) MPU 6050 version as a robot balance detection sensor. The given set of corner robot values is the robot's elevation angle to the horizontal axis or on the pitch axis. Furthermore, the value of the IMU sensor output is compared with the setpoint. Furthermore, the error value and the resulting error change value (delta errror) will be used as fuzzy logic input. The relation of fuzzy input relation is solved with Mamdani rule. The output of fuzzy logic is solved by calculating the weight average (WA). The result of fuzzy logic output is left and right motor rotation controlled by adjusting pulse signal of pulse with modulation (PWM). The experiment results obtained that fuzzy logic control applied to the robot IPBD can maintain the robot balance by having oscillations at an angle of -2 to 2 degrees.Keywords: Fuzzy Logic, Inverted Pendulum, IMU

Co-Authors Abdul Rahim, Suzieleez Syrene ACENG RUYANI Akbar Agustian, Muhammad Aniliawati, Ur Anugrah, Pinto Arsela Eko Listiono Bambang Prayogo, Bambang BHAKTI KARYADI Bramastia Budi Bayu Murti Budiyanto, Ma’un Dara, Niki Dwi Dia Deddy Bakhtiar, Deddy Dedy Hamdani Defianti, Aprina Delima, Ega Marita Dewi , Deshinta Arrova Eko Risdianto Elsi Adelia Fitri Esra, Gracia Fahmizal, Fahmizal Farid, Muchammad Firdaus, M. Lutfhi Firdaus, Mochamad Lutfi Fitri April Yanti, Fitri April Funny Farady Coastera, Funny Farady Galih Setyawan Handayani, Rinda Fitri Henny Johan Herawati, Asmida Hidayat Nur Isnianto Iskandar, Aiza Sabina Putri Khamis, Noorzana Laberta, Tinu Lazfihma, Lazfihma Lia Anggraini Lina Mahardiani Lukmanul Hakim M. Farid, M. M. Lutfi Firdaus, M. Lutfi Maghfiroh, Hari Malau, Defi Dormasi Maulana, Yudi Maun Budiyanto, Maun Muhammad Arrofiq Najwa, Farah Aulia Nirwana, Nirwana Nofita, Inka Noni Noviana Nurcahyani Nurhamidah Nursa'adah, Euis Nursaadah, Euis Nursa’adah, Euis Nutriastuti, Putri Orlando, Tommy Richard Parlindungan, Deni Pistira, Pistira PRATAMA, DONNY BUDI Pratikno, Matthew Sebastian Pratiwi, Revika Julia Purwaningsih Rijalussalam, Dhiya Uddin Riska, Dara Ronald Adrian, Ronald Silaban, Sintiana Sudirman Sudirman Sutarno Sutarno SYAHRONI, IVAN Triana, Dini Fajar Triyanti, Dwi Erni Uliyandari, Mellyta Umaya Umaya, Umaya Wahyuningsih, Endah Tri Wardana, Rendy Wikrama wati, Devica Wikrama Whardana, Rendy Wirahayu, Maya

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