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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Fisika FLUX Jurnal Pengabdian Pada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Teori dan Aplikasi Fisika Journal of Energy, Material, and Instrumentation Technology
Gurum Ahmad Pauzi
Universitas Lampung
Agriculture, Biological Sciences & Forestry Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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PEMBERDAYAAN MASYARAKAT DALAM PEMANFAATAN LIMBAH LAMPU HEMAT ENERGI (LHE) SEBAGAI ALTERNATIF LAMPU EMERGENCY DENGAN TEKNIK JOULE THIEF Junaidi Junaidi; Agus Riyanto; Gurum Ahmad Pauzi; Arif Surtono
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 4 No 2 (2020)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v4i2.157

Abstract

Pengabdian ini merupakan bentuk kegiatan pemberdayaan masyarakat dalam pemafaatan limbah lampu hemat energi (LHE) untuk pembuatan lampu emergency. Pembuatan lampu emergency dilakukan dengan metode JouleThief. Metode ini mampu meningkatkan daya listrik rendah dari sumber baterai 1,5 volt menjadi arus bolak-balik AC yang dapat menyalakan lampu LED. Peserta dalam kegiatan pengabdian kepada masyarakat ini adalah sekitar 32 orang. Setiap peserta pengabdian dibina tentang proses pemanfaatan limbah lampu LHE yang sudah tidak terpakai agar menjadi barang siap guna dan memiliki nilai jual ekonomis. Komponen yang digunakan dalam pembuatan lampu emergency semuanya diperoleh dari komponen dari bekas lampu LHE. Dengan kegiatan ini diharapkan masyarakat mitra menjadi paham tentang bagaimana memanfaatkan limbah yang sulit terurai menjadi barang siap jual. Hasil pengabdian menunjukkan bahwa pencapaian TIK sebelum kegiatan pengabdian pembuatan lampu emergency dengan teknik Joule Thief adalah 35,63%. Pencapaian TIK setelah kegiatan pengabdian pembuatan emergency adalah 80,94%. Dari hasil tersebut, terjadi peningkatan untuk masing-masing pencapaian TIK dengan rata-rata sebesar 45,31%.
Rancang Bangun Alat Ukur Kekeruhan Air Menggunakan Fototransistor dan LED Inframerah Berbasis Arduino Uno Nita Suliyani; Sri Wahyu Suciyati; Gurum Ahmad Pauzi; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 2 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (685.185 KB) | DOI: 10.23960/jemit.v2i2.53

Abstract

In this research, the water turbidity measurement tool based on Arduino Uno has been designed and built using phototransistors and infrared LEDs. This measuring instrument consists of a series of infrared sensors, Arduino as a process, LCD I2C as a value viewer, Micro SD as a data storage, and RTC as a timer. This study used two water samples with various concentrations. The sample used, namely distilled water plus impurities in the form of soil and ash. The distilled water used is still 100 ml with variations in the concentration of impurities ranging from 0,1-0,9 gr. Sensor test results show that the greater the turbidity level, the greater the voltage obtained. Sensor scanning ranges from 2,02 V-4,00 V for groundwater and 2,02 V-4,31 V for ash water. The reading uses a standard measuring instrument for groundwater ranging from 0 NTU to 331,4 NTU, while for ash water ranging from 0 NTU to 284,4 NTU. Data from the sensor test results in an equation used to convert the artificial measuring instrument's voltage value into a turbidity value. Then, data is taken using the same sample, so groundwater's turbidity value was obtained from 0 NTU to 318,94 NTU while for ash water from 0 NTU to 285,13 NTU. Based on the results, average accuracy for water was obtained. Soil amounted to 94,66%, while for ash water was 96,63%.
Kajian Simulasi Dinamika Molekul Adsorpsi Hidrogen pada Carbone Nanotube dengan Variasi Chirality dan temperatur Menggunakan Kode LAMMPS Erika Marinda Mufida; Sri Wahyu Suciyati; Gurum Ahmad Pauzi; Amir Supriyanto
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 2 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (485.37 KB) | DOI: 10.23960/jemit.v2i2.58

Abstract

Hydrogen adsorption has been simulated on carbon nanotubes for optimum hydrogen absorption. Parameters that affect the amount of hydrogen absorbed have been studied, such as the effect of chirality and temperature on hydrogen absorption in CNTs. The simulation method of hydrogen adsorption on carbone nanotubes uses molecular dynamics simulation code LAMMPS, applies Lennard-Jones interatomic potential and hydrogen atom movement using Van Der Waals force with Microcanonical Ensemble. Data analysis is the output of LAMPS in the form of data in XYZ format. The data contains information in the form of integration steps, number of atoms, temperature, pressure, potential energy, kinetic energy, volume, van der Waals energy, total simulation time and hydrogen absorption. The simulation results show that the optimum absorption occurs at run 10000 and a temperature of 100 K, for armchair chirality of 10 atoms, chirality of 12 atoms and zigzag chrality of 5 atoms. Formation of hydrogen coordinates with Avogadro software, formation of CNT coordinates with VMD software and visualization of hydrogen adsorption on CNTs using VMD software.
Pemanfaatan Limbah Aki dan Komponen Elektronik sebagai Sumber Energi Listrik Ramah Lingkungan Junaidi Junaidi; Agus Riyanto; Gurum Ahmad Pauzi; Iqbal Firdaus
Jurnal Pengabdian Pada Masyarakat Vol 6 No 2 (2021)
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/002.202162.717

Abstract

UTILIZATION OF ACCU WASTE AND ELECTRONIC COMPONENTS AS AN ENVIRONMENTALLY FRIENDLY ELECTRICAL ENERGY SOURCE. This community service is a form of community development activity in the utilization of Accu waste and electronic components as an alternative energy source for mini-inverters. The mini-inverter module is made using the Joule Thief method. This method is able to increase low electric power from a 1.5-volt battery source into AC alternating current that can turn on LED lights. The service activity will be carried out in Hajimena Village, Natar District, South Lampung Regency in August 2020. This community service activity was attended by 32 participants. Each service participant has been fostered and guided about the process of making mini-inverter modules from waste batteries and components that are no longer used so that they are ready to use and suitable for use and of economic value. The components used in the manufacture of mini-inverters are all obtained from components from AKI and used electronic components as alternative energy sources. With this activity, it is hoped that the partner community will understand how to utilize waste that is difficult to decompose into ready-to-sell goods.
Automatic Watering of Red Ginger Plants Based on Telegram Using ESP8266 Nodemcu Humairoh Ratu Ayu; Dwina Nurizky Syahputri; Arif Surtono; Gurum Ahmad Pauzi; Amir Supriyanto
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 20, No 2 (2023): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v20i2.15561

Abstract

The design of an automatic watering tool for telegram-based red ginger plants has been realized using nodemcu esp8266. This study aims to create an automatic plant watering system using the YL-69 sensor and monitor the water supply in the reservoir using an ultrasonic sensor that can be monitored using Telegram application. This tool is assembled with various components such as nodemcu ESP8266 as a microcontroller, YL-69 sensor to detect soil moisture, ultrasonic sensor functions as a water level detector, water pump, and 16×2 LCD. The system works when the sensor reads soil moisture in red ginger plants> 60% then the pump turns off and if <60% then the pump turns on. Based on the results of the study, the tool can run well as indicated by the average accuracy of the YL-69 sensor of 98.61% and the water pump can turn on and off according to soil moisture conditions. In addition, the Telegram application can control and monitor watering either manually with the command /Humidity to check soil moisture, /Distance to monitor the water level in the reservoir, /PumpON to turn on the pump, /PumpOFF to turn off the pump or automatically
Penerapan model inverted class sebagai upaya peningkatana kualitas pembelajaran matematika untuk mahasiswa baru di Jurusan Fisika Universitas Lampung Ayu Aprilia; Gurum Ahmad Pauzi; Amir Supriyanto; Ahmad Faruq Abdurrahman; Syafriadi Syafriadi; Pulung Karo-karo; Suprihatin Suprihatin; Posman Manurung
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 3 (2025): May
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v9i3.30205

Abstract

Abstrak Matematika merupakan fondasi utama dalam penyelesaian berbagai masalah dalam bidang ilmu fisika. Namun, banyak mahasiswa mengalami kesulitan dalam mengusasai konsep-konsep dasar matematika sehingga menganggu prestasi akademik mahasiswa. Pengabdian ini bertujuan mengimplementasi metode inverted class untuk melihat bagaimana keberhasilannya dalam menyelesaikan permasalahan ini. Kegiatan pengabdian dilaksanakan pada minggu ke 3 dan 4 bulan Januari 2025. Kegiatan ini  dibagi menjadi menjadi tiga kegiatan yaitu persiapan kegiatan, pelaksanan kegiatan di kelas serta evaluasi keberhasilan dengan sasaran 55 mahasiswa baru Fisika Unila. Dalam masa persiapakan disusun modul interaktif, menarik dan modern. Lalu dilakukan test pemahaman awal konsep matematika dengan hasil 42,9%. Selanjutnya dilakukan 2 kali pembelajaran dengan inverted class. Pada tahap evaluasi diperoleh peningkatan pemahaman mahasiswa menjadi 60.5%. Dengan tambahan kesan positif terhadap pelaksanaan kegiatan dan modul yang diberikan. Pengabdian ini berhasil menunjukkan bahwa inverted class dapat menjadi solusi untuk mencarik pendekatan yang efektif dalam meningkatkan pemahaman konsep sekaligus melatih kemandirian belajar mahasiswa.  Kata kunci: fisika; inverted class ; mahasiswa baru; pemahaman matematika AbstractHowever, many students struggle to grasp basic mathematical concepts, which negatively impacts their academic performance. This community service program aims to implement the Inverted Class method to evaluate its effectiveness in addressing this issue. The program activities were carried out in 3th dan 4th weeks of January 2025. This program was divided into three stages: preparation, classroom implementation, and evaluation of its success, involving 55 first-year physics students at Universitas Lampung. During the preparation phase, an interactive, engaging, and modern module was developed. An initial test was conducted to assess students' understanding of basic mathematical concepts, yielding an average score of 42.9%. The implementation phase involved two Inverted Class learning sessions. In the evaluation phase, the students' understanding improved significantly, with an average score increase to 60.5%. Additionally, students provided positive feedback on the learning process and the module used. This program successfully demonstrated that the Inverted Class method can serve as an effective approach to improving conceptual understanding while fostering students' independent learning skills. Keywords: inverted class; first-year students; physics; mathematical understanding; independence
Aplikasi IoT Sistem Monitoring Kualitas Air Tambak Udang Menggunakan Aplikasi Blynk Berbasis Arduino Uno Gurum Ahmad Pauzi; Mutiara Amalia Syafira; Arif Surtono; Amir Supriyanto
Jurnal Teori dan Aplikasi Fisika Vol. 5 No. 2 (2017): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v5i2.150

Abstract

The IoT Application in the Shrimp Pond Water Quality Monitoring System has been realized using Arduino Uno Application. This research was conducted to determine of the quality of shrimp pond water using an android smartphone. Sensor input (Temperature, pH and Dissolved Oxygen (DO)) from the sensor readings are processed on Arduino then sent to an android smartphone using ESP8266-01 and measurement result will be displayed on the Blynk Application. The Blynk application will receive water quality data to be displayed in the form of real values or chart. The result obtained that, the system can measure the quality of shrimp pond water using temperature sensor, pH sensor, and DO sensor based on Arduino Uno and control sensors when measuring received data displayed on Blynk application.
Analisis Laju Korosi pada Sistem Energi Listrik Alternatif Berbasis Elektrolit Air Laut Sinta Setiani Pangestu; Gurum Ahmad Pauzi; Sri Wahyu Suciyati
Jurnal Teori dan Aplikasi Fisika Vol. 6 No. 1 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i1.162

Abstract

Analisis Percepatan Getaran Tanah dan Tingkat Kerentanan Tanah di Daerah Lampung Septika Locita; Gurum Ahmad Pauzi; Amir Supriyanto
Jurnal Teori dan Aplikasi Fisika Vol. 6 No. 1 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i1.164

Abstract

The measurement of peak ground acceleration and ground vulnerability index in Lampung area has been done. This study aims to analyze the acceleration of ground vibration and ground vulnerability index with soil types namely, entisol, inceptisol and ultisol. The tool used to perform the measurement is the vibration meter VB-8213. The results of the analysis show that changes in the acceleration value of ground vibration and ground vulnerability have the same pattern of change with distance. The further distance to the vibration source the acceleration value of ground vibration and ground vulnerability index will be smaller. The greatest vibration acceleration value is found in ultisole and inceptisol soil type. The smallest vibration acceleration value of the soil type is entisol. While the value of ground vulnerability index for all types of soil entisol, inceptisol and ultisol have relatively small ground vulnerability index.
Analisis Potensi Elektrik Berbagai Elektrolit Alam Sebagai Sumber Energi Terbarukan Giri Amirul Mukminin; Gurum Ahmad Pauzi; Warsito Warsito
Jurnal Teori dan Aplikasi Fisika Vol. 6 No. 1 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i1.170

Abstract

Co-Authors Agung Gumelar Agus Riyanto Ahmad Faruq Abdurrahman Ahmad Saudi Samosir Amir Supriyanto Ayu Aprilia Azizah Azmi Nurohmah Chayyara Igda Prameswari Dewi Puspitasari Dwina Nurizky Syahputri Edward Jannert Erika Marinda Mufida Fakhri Izdihar Prayitno Putra Fatkhur Rohman Giri Amirul Mukminin Humairoh Ratu Ayu Iqbal Firdaus Junaidi Junaidi Kinasih Cahyono Latifah Kamalia Mia Abi Nisa Muhammad Iqbal Yuliansyah Muhammad Jundy Al Faruq Mutiara Amalia Syafira Nita Suliyani Opik Taufik Posman Manurung Pulung Karo-Karo Rio Adhitya Putra Rustadi ., Rustadi Septika Locita Sinta Setiani Pangestu Sri Ratna Sulistiyanti Sri Wahyu Suciati Sri Wahyu Suciyati Suprihatin Suprihatin Surtono, Arif Sutiarno Sutiarno Syafriadi Syafriadi Tri Sumanzaya Warsito Warsito Wasinton Simanjuntak