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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Journal of Technomaterial Physics Journal of Energy, Material, and Instrumentation Technology RENATA Jurnal Pengabdian Masyarakat Kita Semua
Supriyanto, Amir
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Smart Green Box Trash Design Based on HC-SR04 Sensor Arduino Uno Integrated Dika, Mahardika Setiawan; Suciyati, Sri Wahyu; Supriyanto, Amir; Pauzi, Gurum Ahmad
Journal of Energy, Material, and Instrumentation Technology Vol 4 No 3 (2023): 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 | DOI: 10.23960/jemit.v4i1.115

Abstract

This research has realized the design of a smart green trash box based on the HC-SR04 sensor, which is integrated with Arduino Uno. This research aims to design and build a digital instrumentation system based on Arduino Uno, applying Ultrasonic Sensors to the Green Box Trash System. In addition, this system is equipped with an information display via LCD and speakers so that we can find out the contents of the green trash box. Data retrieval by detecting objects with a distance of less than 10 cm to open the trash and measure the volume in the green trash box. The research results are displayed as a prototype Smart Green Trash Box design. Based on the HC-SR04 Sensor Integrated by Arduino Uno. The ultrasonic sensor in the Green Box Trash system works well by measuring the volume and can detect when an object is approaching with a distance of less than 10 cm. Assembling the green box using the HC-SR04 sensor, which is integrated with Arduino Uno functions according to the program created if, in the green box, there is HC-SR04 1 sensor trash, it measure the volume of trash and then display it through the LCD, and if there is an object approaching the HC-SR04 sensor 2, then the servo moves so that the green trash box can be opened. The Green Trash box can display trash volume and time on the 16x2 character LCD in real-time with the program uploaded to Arduino as monitoring.
The Microbial Fuel Cell Characteristics of the PVA/Chitosan Membrane with Variations of Phosphate Acid and Sodium Alginate Derived from Vegetable Waste Nugraha, Iqbal Adi; Supriyanto, Amir; Pauzi, Gurum Ahmad; Junaidi, Junaidi
Journal of Energy, Material, and Instrumentation Technology Vol 4 No 4 (2023): 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 | DOI: 10.23960/jemit.v4i4.131

Abstract

Microbial Fuel Cell (MFC) is one of the alternative energy sources as a producer of vegetable waste. The membrane that is commonly used in the MFC system is the Nafion membrane, but it is expensive and must be imported. PVA membrane and chitosan are an alternative substitute for Nafion membrane. The purpose of this study was to determine the electrical performance of variations of PVA/Chitosan membrane with the addition of sodium alginate or phosphoric acid. The study used a dual chamber MFC system made of acrylic with a volume of ±250 ml for each compartment. The anode compartment contains vegetable waste with carbon electrodes, and the cathode compartment contains seawater electrolytes with Cu(Ag) electrodes. The MFC system consists of 10 cells in series. From the study results, it was concluded that the vegetable waste substrate with the addition of EM4 bacteria could be used as an alternative energy source. The use of variations on the PVA/Chitosan membrane without addition produces the highest maximum voltage level of 2.25 volts compared to the addition of sodium alginate or phosphoric acid of 2.25 volts, 1.941 volts, and 2.1 volts.
Prototype of a Digital Measuring Device Based on Atmega 328P for Measuring Current, Voltage, Electrical Power, and RLC Components Putri, Risa Amelia; Supriyanto, Amir; Surtono, Arif
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 2 (2024): 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 | DOI: 10.23960/jemit.v5i2.157

Abstract

Research on digital measuring device prototypes has developed over the past few years. However, there are still challenges in measuring current, voltage, electrical power, and RLC component parameters accurately. This research aims to design a digital system to measure electrical quantities such as current, voltage, resistance, inductance, and capacitance using Atmega 328P. Data retrieval is done by implementing the system as a whole, namely the AC and DC electrical measurement system and the measurement of RLC components. The results showed that the system can measure and display the result of measuring current, voltage, electric power, and RLC components correctly. The accuracy percentage for the components measuring instrument on the resistor test is 99.35%, the error is 0.65%, and the precision is 99.87%. In the inductor test measurement, the percentage value of accuracy is 94.11%, the error is 5.89%, and the precision is 96.77%. In the capacitor test measurement, the accuracy percentage is 98.03%, the error is 1.97%, and the precision is 98.65%. On the DC voltage sensor, the accuracy percentage is 97.31%, error 2.69%, and precision 99.77%.
PEMANFAATAN LIMBAH KULIT SINGKONG UNTUK PRODUKSI ENERGI LISTRIK MENGGUNAKAN RANGKAIAN JOULE THIEF DENGAN TEKNOLOGI MICROBIAL FUELL CELL (PENAMBAHAN RAGI DAN ASETAT) Situmorang, Elfrina; Supriyanto, Amir; Surtono, Arif; Junaidi, Junaidi
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 3 (2024): 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 | DOI: 10.23960/jemit.v5i3.160

Abstract

The Cassava peel waste can be used as a substrate in the Microbial Fuel Cell (MFC) system to produce electrical energy. MFC is made of acrylic with a size of 9×9×11 cm with a dual chamber type that can accommodate a substrate volume of ±350 ml. The MFC system consists of 10 cells arranged in series with voltage and current measurements every 2 hours for 72 hours using a multimeter. The maximum power MFC produces by adding 16 ml of acetate using a joule thief amplifier circuit is 8.42 W. In contrast, the addition of 24gr yeast produces a maximum power of 7.82 W; without any addition, it produces 7.74 W of power. The amplifier also produces pretty good power. The maximum power produced by MFC without an amplifier circuit with the addition of 24 gr yeast is 2.51 mW, while 16 acetate is 2.18 mW. Without any addition, it produces 1.91 mW of power.
LPG Safety Monitoring System Using Artificial Neural Network with Back Propagation Method Based on The Internet of Things (IoT) Abidin, Ramadhani; Supriyanto, Amir; Surtono, Arif; Suciyati, Sri Wahyu
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 3 (2024): 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 | DOI: 10.23960/jemit.v5i3.176

Abstract

This study aims to create an Artificial Neural Network (ANN) to determine the results of LPG gas monitoring based on gas leakage levels, smoke levels, fires, and ambient temperatures and apply Internet of Things technology in the monitoring system. Variations in the number of nodes in the hidden layer indicate that the ANN performance will be maximal, with seven nodes in the hidden layer with an accuracy value of 99.63%, a precision of 100%, and a loss function of 0.423%. The microcontroller used is NodeMCU ESP32S, with input from the MQ6 sensor to detect LPG gas leaks, an infrared sensor to detect flames, an MQ-2 sensor to detect smoke, and a DHT-22 sensor to measure the ambient temperature. The resulting system output is a monitoring display using the Blynk platform, fans and Buzzers controlling, and WhatsApp notifications. The system will turn on the fan when the detected LPG level exceeds 250 ppm.
Perancangan Sistem Monitoring Kebisingan Secara RealTime Berbasis Website Dalam Lingkungan Kerja Sebagai Pendukung Data Kesehatan Dan Keselamatan Kerja (K3) Febriyanti, Nur Tasya; Pauzi, Gurum Ahmad; Ayu, Humairoh Ratu; Supriyanto, Amir
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 2 (2024): 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 | DOI: 10.23960/jemit.v5i2.211

Abstract

Penelitian mengenai alat monitoring tingkat kebisingan telah direalisasikan menggunakan sensor suara GY Max 4466 dengan mikrokontroler ESP Wroom 32 berbasis website. Penelitian ini bertujuan untuk mengetahui tingkat kebisingan di lingkungan kerja dan dapat memonitoring tingkat kebisingan berbasis website guna pendukung data kesehatan dan keselamatan kerja. Pengambilan data dilakukan dengan deteksi suara dalam ruangan pompa PDAM Way Rilau Bandar Lampung dari pukul 08.00-12.00 WIB. Hasil penelitian menunjukkan sistem berfungsi dengan keadaan baik, ditunjukkan dengan nilai rata-rata akurasi ke empat sensor sebesar 97,07% dan rata-rata nilai error sebesar 2,93%. Data tingkat kebisingan yang dihasilkan dari ruangan pompa PDAM Way Rilau tergolong tinggi atau bahaya karena sudah melebihi nilai batas ambang (NAB) kebisingan yaitu sebesar 70 dB. Sistem yang digunakan pada website yaitu dengan akses localhost pada komputer yang dapat dimonitoring dalam lingkungan kerja sebagai data pendukung kesehatan dan keselamatan kerja (K3).
Dual-axis solar tracker system utilizing Fresnel lens for web-based monitoring Ayu, Humairoh Ratu; Kurniawansyah, Rifki Mohamad; Supriyanto, Amir; Junaidi, Junaidi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 15, No 3: September 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v15.i3.pp1799-1809

Abstract

Solar energy produced using solar panels is a renewable source of electricity. Over the years, several studies have been developed in the field to increase the performance efficiency of these panels. Therefore, this study aims to develop dual-axis solar tracker with the addition of Fresnel lens to improve performance efficiency. The system implemented consisted of multisensors, servo motors, Fresnel lenses, Arduino nano, and NodeMCU ESP32. In the experiments, proposed tracking system with and without Fresnel lens were evaluated to compare the output of both setups. The results showed that the maximum power of dual-axis solar tracker with and without the device was 13.60 W and 15.78 W, respectively, at the same radiation intensity, temperature, and time. These findings showed that the proposed tracking system could increase the maximum power efficiency of solar panels by 16.03%. Furthermore, the maximum value was obtained when dual-axis solar tracker with Fresnel lens moved from E to W at 23° to the horizontal.
Analysis of Cassava Peel Paste as An Electrolyte of Electrical Energy Source Supriyanto, Amir
Journal of Technomaterial Physics Vol. 1 No. 1 (2019): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v1i1.828

Abstract

The electrical characteristics of cassava peel can be detected by using a pair of electrodes, Cu and Zn. Measurement of electrical characteristics is done when the cassava peel is given a 5 watt LED load and when the load is removed. Cassava peel are used in two different ways: fermented and non-fermented. The electrolyte cell used consisted of 20 cells, assembled in three different types: 20 series, 10 series with 2 parallel, and 5 series with 4 parallel. The volume of each cell's paste is 200 ml. The measurement results show that the 20 series circuit produces the greatest electrical voltage, but the electric current is small and the resistance is large. While the series with 20 cells and 5 series with 4 parallel obtained maximum power. The cassava peel which were fermented for 72 hours can increase the electrical power generated from the three types of circuits.
Peningkatan Kompetensi Guru IPA SD di Kecamatan Metro Utara Melalui Pelatihan Pembuatan dan Pengembangan Alat Peraga Fisika Supriyanto, Amir; Pauzi, Gurum Ahmad; Karo-Karo, Pulung; Syafriadi, Syafriadi; Abdurrahman, Ahmad Faruq; Aprilia, Ayu
RENATA: Jurnal Pengabdian Masyarakat Kita Semua Vol. 2 No. 3 (2024): Renata - Desember 2024
Publisher : PT Berkah Tematik Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61124/1.renata.91

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kompetensi guru IPA SD di Kecamatan Metro Utara dalam merancang dan mengembangkan alat praktikum sederhana untuk mendukung pembelajaran IPA, khususnya Fisika. Pelatihan ini mencakup ceramah, diskusi dan praktik pembuatan media praktikum. Media praktikum yang dibuat antara lain media pembelokan cahaya, konveksi pada zat cair dan termometer sederhana. Evaluasi dilakukan melalui pre-test dan post-test untuk mengukur perubahan pengetahuan dan keterampilan guru. Rata-rata nilai peserta pelatihab meningkat signifikan dari 26,92% menjadi 63,08%. Hal ini menunjukkan efektivitas pelatihan dalam meningkatkan pemahaman konsep dan keterampilan praktikum. Hal ini diharapkan berdampak positif pada kualitas pembelajaran IPA di tingkat sekolah dasar, menjadikan Fisika sebagai mata pelajaran yang menarik dan mudah dipahami oleh siswa. Kata kunci: guru IPA SD; alat praktikum sederhana; pembelajaran Fisika; evaluasi pelatihan Abstract This community service activity aims to enhance the competencies of elementary science teacher in Metro Utara in designing and developing simple practical tools to support science learning, especially Physics. The training involved lectures, discussions, and practical sessions to create simple practical media, such as tools for demonstrating convection in liquids, light reflection, and simple thermometer construction. Evaluation was conducted through pretest and posttest to measure changes in the teachers ‘knowledge and skill. The participants’ average scores increased significantly from 26,92% to 63,08%, indicating the training’s effectiveness in improving conceptual understanding and practical skills. These results are expected to positively impact the quality of science education at the elementary level, making Physics an engaging and easily understood subject for student. Keywords: elementary science teachers; simple practical tools; Physics learning; training evaluation
RANCANG BANGUN ALAT SHAKER DENGAN INPUT MENGGUNAKAN KEYPAD BERBASIS ARDUINO Pauzi, Gurum Ahmad; Septiani, Elsyana; Suciati, Sri Wahyu; Supriyanto, Amir
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 4 (2024): 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 | DOI: 10.23960/jemit.v5i4.140

Abstract

This study aims to develop an orbital shaker device with an Arduino Uno-based input system for rpm and time, utilizing a keypad as the input medium. The orbital shaker is designed to homogenize chemical solutions through circular motion, featuring display functions for rpm and mixing time. The device uses a NEMA 17 stepper motor as the main motor, a 4x4 membrane keypad for input, an Arduino Uno as the processor, and a TM1637 display for rpm and time readings. Testing of the orbital shaker includes calibration of rpm and time. Rpm calibration is performed using a laser tachometer to measure the conformity of the inputted rpm values, while time calibration uses a stopwatch to determine system error values. The rpm calibration results indicate an average error rate of 0.36%, with an accuracy of 99.62% and precision of 99.58%. In comparison, time calibration results show an average error rate of 0.15%, with an accuracy of 99.84% and precision of 99.88%. Further rpm measurements were conducted with solution loads ranging from 100 to 1000 g, increasing in increments of 100 g, and rpm testing was performed from 100 to 500 rpm. The test results demonstrate that the optimal performance of the designed orbital shaker occurs at rpm values between 100 and 450 with a load range of 100–600 g.
Co-Authors Abdurrahman, Ahmad Faruq Abidin, Ramadhani Aprilia, Ayu Apriyanto, Donni Kis Dika, Mahardika Setiawan Febriyanti, Nur Tasya Humairoh Ratu Ayu Junaidi Junaidi Kurniawansyah, Rifki Mohamad Nugraha, Iqbal Adi Pauzi, Gurum Ahmad Posman Manurung Pubiyanti, Intan Pulung Karo-Karo Putra, Dio Aditia Putri, Risa Amelia Rianita Baiti Septiani, Elsyana Situmorang, Elfrina Sri Wahyu Suciyati Suciati, Sri Wahyu Suprihatin Suprihatin Surtono, Arif Syafriadi Syafriadi Yuniar, Noeris