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All Journal POSITRON Phi : Jurnal Pendidikan Fisika dan Terapan BioCONCETTA Sekolah Dasar: Kajian Teori dan Praktik Pendidikan CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Jurnal Kesehatan Amina Journal Peqguruang: Conference Series AL-KHAZINI: JURNAL PENDIDIKAN FISIKA Impulse: Journal of Research and Innovation in Physics Education Jurnal Madinasika: Manajemen dan Keguruan Bayt ElHikmah: Journal of Islamic Architecture and Locality PUSAKA: Journal of Educational Review
sri nengsih, sri
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Implementasi Model Problem Based Learning (PBL) Berbasis Eksperimen Untuk Meningkatkan Aktivitas Belajar Peserta Didik Pada Materi Getaran Di SMP Juniar Afrida; Nengsih, Sri; Saifiyaturramah, Saifiyaturramah
Al-Khazini Vol 2 No 1 (2022): April
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.805 KB) | DOI: 10.24252/al-khazini.v2i1.30566

Abstract

The learning model becomes an important factor when the learning process is carried out because the learning model is a plan that helps based on the continuity of the learning process and can be implemented in accordance with the learning objectives. So it is necessary to apply an experimental-based problem besed learning (PBL) learning model to increase students’ learning activitieson vibration material. This study aims to (1) apply the experimental-based problem-based learning (PBL) learning model to improve student learning activities (2) find out the results of observations obtained through the experimental-based problem based learning, learning model. The research method used is the experimental research method (the Non-Equivalent Group Design). The results obtained from three observers are in the experimental class the average score for implementation =89%, Reaction =89% and activity = 84% with a very active category. While in the control class the average score for implementation =53% reaction 55% and activity 51% with the less active category. So it can be said that the application of the experimental-based learning model can improve the learning activities of students on vibration material at SMP Negeri 1 Simpang Ulim.
REVIEW LITERATUR: SINTESIS PASIR BESI MENJADI NANOPARTIKEL MAGNETIT MELALUI PENERAPAN METODE KOPRESIPITASI Nengsih, Sri
AMINA Vol. 3 No. 3 (2021): December 2021
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Ar-Raniry

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Abstract

Proses sintesis nanopartikel magnetit (Fe3O4) dari pasir besi melalui metode kopresipitasi telah diteliti untuk berbagai proses variasinya. Adapun tujuan kajian ini agar menemukan tahapan proses sintesis yang sesuai untuk menghasilkan ukuran nanopartikel magnetit di bawah 100 nm. Pendekatan kualitatif dipilih dalam kajian ini untuk mendapatkan informasi selengkapnya. Sumber data yang digunakan adalah dari jurnal berskala nasional maupun jurnal internasional. Temuan yang didapatkan dari kajian ini adalah perlunya perlakuan awal pada bahan dasar pasir besi alami sebelum dilakukan proses sintesis untuk mendapatkan kemurnian pasir besi. Pada tahapan sintesis nanopartikel magnetit diperlukan kontrol pada jumlah komposisi bahan yang dicampurkan, kontrol proses sintesis dan lingkungan sekitarnya. Melalui kontrol tersebut diharapkan dapat ukuran nanopartikel magnetit yang homogen dan distribusi partikelnya lebih banyak serta terhindar dari aglomerasi partikel.
Solar Panel Light Intensity and Voltage Measurement System Using Atmega328 Pane, Rangga Rio Pratama; Nengsih, Sri; Morsin, Marlia
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol. 8 No. 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22501

Abstract

The need for new renewable energy sources is growing because of several problems, such as high electricity costs, frequent power outages, and dependency on fossil fuels. It's critical to come up with solutions to this problem, like using solar power. Nonetheless, to guarantee a steady supply of energy, solar panels must be well controlled. The primary goal of this study was to create a system that would use an ATmega328 microcontroller, a logger module, and an INA219 voltage sensor, along with a BH1750 light intensity sensor, to detect the voltage and intensity of light on solar panels in real time. The study technique includes the steps of system definition, design, and development using a 4D approach that has been streamlined into 3D. The system's ability to make precise measurements and store data in a readily accessible and processable manner was demonstrated by the test results. Real-time solar panel state monitoring is made possible by the system's primary ATmega328 microprocessor, and data storage in CSV format enables easy analysis. In summary, this system was success for tracking and improving energy efficiency
Co-Authors Abdul Wahid, Mulyadi Arief Rahman Arusman Asifah, Nur Bayak Miko, Yeni Dahlan, Maarifah Ependi, Irpan Faizurrahmany El Faridy, Zia Febrianti, Susi Haryanti, Yuyun Dwi Hidayati, Noura Ida Meutiawati Juniar Afrida Morsin, Marlia Nur Fadillah, Nur Pane, Rangga Rio Pratama Saharuddin, Aco Dahrul saifiyaturrahmah, saifiyaturrahmah Saifiyaturramah, Saifiyaturramah Suardi Nur Yonanda, Devi Afriyuni