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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmu Komputer dan Agri-Informatika Teknik dan Ilmu Komputer Journal Industrial Servicess Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika The Spirit of Society Journal : International Journal of Society Development and Engagement Techne : Jurnal Ilmiah Elektroteknika Jurnal Rekayasa Hijau MIND (Multimedia Artificial Intelligent Networking Database) Journal TESLA: Jurnal Teknik Elektro Jambura Journal of Electrical and Electronics Engineering Indonesian Journal of Electrical Engineering and Computer Science REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Community Empowerment Jurnal Pengabdian Teknologi Tepat Guna AKM: Aksi Kepada Masyarakat Jurnal Atma Inovasia Engagement: Jurnal Pengabdian Kepada Masyarakat JuTISI (Jurnal Teknik Informatika dan Sistem Informasi) SNTE Journal of Innovation and Community Engagement
Erwani Merry Sartika
Program Studi Teknik Elektro, Universitas Kristen Maranatha Bandung
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering 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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Public Health Social Sciences Transportation Other

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Sistem Pengendalian Proses Penyangraian Biji Kakao Sartika, Erwani Merry; Zefanya, Kevyn Vicy
Seminar Nasional Teknik Elektro Vol. 3 No. 1 (2023): SNTE II
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penyangraian merupakan salah satu tahap terpenting dalam pembuatan bubuk cokelat, selain mengurangi kadar asam dan kadar air. Sistem kendali suhu pada proses penyangraian dikendalikan oleh pengendali PID yang akan mengatur bukaan motorized valve yang mempengaruhi suhu sirkulasi tabung. Kendali PID dituning menggunakan kombinasi metode Ziegler[1]Nichols dan metode trial and error untuk mendapatkan respon sistem yang lebih baik. Suhu penyangraian berhasil dikendalikan menggunakan pengendali PID dengan nilai parameter Kp = 2.7, Ti = 0.035, dan Td =0. Respon menghasilkan kinerja dengan overshoot 5% dan settling time 12 menit untuk mencapai suhu penyangraian 300℃.
Indonesian Sign Language Interpreter Device Based on ATMega328 Microcontroller for Bali Deaf Community Denpasar I Wayan Sukadana; I Nengah Agus Mulia Adnyana; Erwani Merry Sartika
Journal of Innovation and Community Engagement Vol. 1 No. 2 (2021)
Publisher : Faculty of Smart Technology and Engineering, Universitas Kristen Maranatha, Bandung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jice.v1i2.3548

Abstract

This study aims to design and build a Sign Language Interpreter Device with Voice Output in the form of an ATMega328 Microcontroller-Based Voice Speaker Module so that in its implementation and later in designing this device the writer focuses on the translation of 16 words that have been predetermined in Indonesian Sign Language especially in Denpasar City by using a Flex Sensor and a Gyro Sensor based on the ATMega328 Microcontroller with Arduino IDE programming. This device is also equipped with a 4GB SD card memory for storing voice recordings, using an ATMega328 microcontroller, four analog Flex sensors, a Gyro sensor, a buzzer and an 8 ohm speaker, and using a 7.4 volt Li-Po battery. The application of this device is aimed for thehearing impaired people who fall into the adult category who can understand writing and understand sign language. The output of this device uses an MP3 player module that is already included in the Sign Language Interpreter Device. The flex sensor readings range from 998-1005 ADC (analog digital converter) in open conditions and the sensor ranges from 1006-10018 ADC in closed conditions. The reading for the gyro pitch (Y axis) ranges from -10º to 76º then on the reading of the gyro Roll (X axis) ranges from -100º to 90º. Keywords: ATMega328 microcontroller; Buzzer; Flex Sensor; Gyro Sensor
Community Assistance to Improve the Ability to Use Basic Unity and Virtual Reality Herawati Yusuf; Novie Theresia Br. Pasaribu; Erwani Merry Sartika; Evan Adrian Adhi; Reynaldy Felicius Gunawan; Richard Setiawan; Dion Melvern Siswanto; Vieri Candhya Wigayha; Nathaniel Pius Winata; Markus Tanubrata; Rainisa Maini Heryanto
Journal of Innovation and Community Engagement Vol. 4 No. 2 (2023)
Publisher : Faculty of Smart Technology and Engineering, Universitas Kristen Maranatha, Bandung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/ice.v4i2.6502

Abstract

During the pandemic of Corona Virus Disease 2019 (COVID-19) that hit Indonesia, all activities were very limited. Electrical Engineering Study Program of Universitas Kristen Maranatha was motivated  to share knowledge especially in the field of science about "Basic Unity and Virtual Reality (VR)" to the public. This has been realized through community service activities pursued by students and lecturers. VR refers to computer simulations that create images of the world that appear in human senses, in the same way as humans perceive the real world in reality. This community service used the Participatory Action Research (PAR) approach. From the results of a survey of community service activities that have been carried out, it is concluded that the success in providing mentoring to improve the ability of the community to use Basic Unity and VR online, is shown by the results of an increase in the score from an average of 5.85 before the activity, to 7.58 (from a total score of 10) after the activity. The community service committee team's service during the activity was also considered very good and worthy of being maintained in subsequent activities. Meanwhile, the implementation of providing teaching materials, the readiness of the trainers, and the implementation of organizing activities online, still need to be re-evaluated and improved in the future for better results.
Online Workshop with Service Learning Method to Meet the Needs of Tinkercad Users from the Engineering Field Winda Halim; Erwani Merry Sartika; Novie Theresia Br. Pasaribu; Audyati Gany; Rainisa Maini Heryanto; Markus Tanubrata
Journal of Innovation and Community Engagement Vol. 4 No. 2 (2023)
Publisher : Faculty of Smart Technology and Engineering, Universitas Kristen Maranatha, Bandung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/ice.v4i2.6578

Abstract

The COVID-19 pandemic has greatly affected the learning process in practice, especially for people in the engineering field. Activities stopped and learning activities become very obstructed for a long time. Tinkercad is a simulator application that could be used as a learning tool or medium in engineering. The service learning method is used as a way of teaching and learning that links positive and meaningful action in society. Service learning uses demonstrations and experiments are used to transfer knowledge to society. A workshop elaborating the use of Tinkercad based on the service learning method was carried out online through community service activities to meet community needs in the engineering field. The workshop results showed that the service learning method was sufficient to help the community to meet the learning needs of engineering practices. A thorough demonstrations by instructors and experiments done by participants guided by assistants, produced a satisfactory result for more than 90% of the workshop participants. Periodic literacy provision was a follow-up to improve the abilities of all participants who have take part in workshop activities.
Petualangan Energi Angin Bersama Anak Rumah Singgah Erwani Merry Sartika; Meilan Jimmy Hasugian; Markus Tanubrata; Novie Theresia Br. Pasaribu; Herawati YS; Arvin Ezekiel Denri Utama; Dido Hardinanto Ginting; Jeffrey Christopher; Yehuda Njuah Sectio Cibro
Jurnal Atma Inovasia Vol. 6 No. 1 (2026)
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jai.v6i1.12212

Abstract

The wind energy adventure with children from the shelter home has become the focus of a community service initiative aimed at elementary school children in the Cibogo area. The need for alternative forms of learning to stimulate interest and engagement among children at the shelter inspired the application of science using a wind power car as the central theme of this community service program. The activity was conducted using an experimental method, training the children to observe, design tools, measure results, and draw conclusions from the objects they created—ranging from mechanical components to the drive system—through hands-on experimentation. The outcomes of this wind energy adventure had a positive impact on the children, the service team, and the surrounding community, fostering awareness of the importance of experiment-based education and providing valuable knowledge to all participants involved.
Kapsul Gravitasi sebagai Media Eksperimen Fisika Sederhana untuk Anak SD di Rumah Singgah Erwani Merry Sartika; Meilan Jimmy Hasugian; Markus Tanubrata; Novie Theresia Br. Pasaribu; Herawati YS; Arvin Ezekiel Denri Utama; Dido Hardinanto Ginting; Jeffrey Christopher; Yehuda Njuah Sectio Cibro
Jurnal Atma Inovasia Vol. 5 No. 6 (2025)
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jai.v5i6.12213

Abstract

The gravity capsule served as the main object of focus in a community service activity aimed at introducing science to children in the Cibogo Bandung shelter, specifically targeting first and second-grade elementary school students. The service learning method was employed to ensure the learning process remained simple and accessible, considering the young age of the participants. A basic experiment using the gravity capsule was conducted to introduce fundamental science concepts such as gravity, energy, and momentum. The outcome of this community service activity was considered successful, with a comprehension rate of 78.5%, based on responses to questions covering the materials delivered. However, improvements are still needed to enhance content retention among participants. Additionally, requests from the partner community for the program to be conducted regularly form the foundation for the sustainability of this initiative.
Pembelajaran STEM Berbasis Proyek Menggunakan Media Jembatan Berlampu Erwani Merry Sartika; Markus Tanubrata; Olga Catherina Pattipawaej; Rainisa Maini Heryanto; Meilan Jimmy Hasugian; Novie Theresia Br. Pasaribu; Dido Hardinanto Ginting; Gibran Qodri Nurfalah; Muhamad Dani Ardiansyah
Jurnal Atma Inovasia Vol. 6 No. 4 (2026)
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jai.v6i4.14215

Abstract

This community service activity aimed to enhance elementary school students’ understanding of bridge structural concepts and simple electrical circuits through individual project-based STEM learning. The activity was conducted with Grade 3–4 students in the Cibogo area, utilizing simple materials such as popsicle sticks, LEDs, wires, batteries, and switches as learning media. The methodology integrated community-based research, participatory learning, and action research approaches, in which the activities were designed based on the needs of the target community, actively engaged students in the learning process, and incorporated reflective practices for continuous improvement. Evaluation was carried out using a questionnaire to assess students’ understanding of bridge structures, simple electrical circuits, and their responses to the activity. The evaluation results indicated that most students were able to comprehend the fundamental concepts introduced and showed positive responses to the project-based learning activities (85% for bridge construction and 78% for electrical circuits). In addition to improved conceptual understanding, students demonstrated high levels of interest and enthusiasm throughout the activity. It can be concluded that this activity was effective in providing meaningful and contextual learning experiences. Future implementations may be further developed by strengthening introductory materials and diversifying project models to enhance the quality and sustainability of STEM learning in elementary school environments.
Design of a Compression Training System using a Mechanical Chest Response Model ERWANI MERRY SARTIKA; KALYA ICASIA; CHE-WEI LIN; FEBRIAN SETIAWAN
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 3: Published July 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i3.388

Abstract

Cardiopulmonary Resuscitation (CPR) is an emergency medical procedure performed on patients experiencing cardiac arrest. In this study, the mechanical response of the human chest during CPR compression is modeled using a spring–damper system. To better represent the actual chest response, the damper is regulated using a control system integrated into a CPR training model. The overall system design, including the human chest response model and the control system, utilizes a spring mechanism, an HC-SR04 ultrasonic sensor for measuring compression depth, LED indicators, and a buzzer as feedback components. A user interface (UI) is also developed to operate and monitor the entire system. The damping setpoint is designed with a variable viscosity constant that changes according to the chest compression depth, approximating the characteristics of the human chest response. A PID controller with gains , , and is implemented. The system produces an output response with a settling time of 5 seconds and a total error of 0.4457. The calculated compression force ranges from 320 to 420 N for compression depths of 4–5.5 cm.
Co-Authors AAN DARMAWAN Aan Darmawan Aan Darmawan Hangkawidjaj Aan Darmawan Hangkawidjaja Agus Prijon Agus Prijono Agus Prijono Alfian Alfian Amadeus, Clarence Annisa Maizano Anthonius Chandra Arief Darmawan Ariesa Pandanwangi Arvin Ezekiel Denri Utama Audyati Gany AUDYATI GANY Audyati Gany Audyati Gany, Audyati Chandra, Eric Che, Wei Lin CHE-WEI LIN CHRISOPHRAS, HAZEL XARIS Clarence Amadeus Daniel Setiadikarunia Darmanto, Christopher Prasetya DARMAWAN, GERARLDO INDRA Dido Hardinanto Ginting Diki Dwi Saputra Dimitri Jeremy Dion Melvern Siswanto Elia Moses Elizabeth Wianto, Elizabeth Evan Adrian Adhi FEBRIAN SETIAWAN Gibran Qodri Nurfalah Giri Shaffaat AL Muttaqin GUNAWAN, REYNALDY FELICIUS HALIM, CHRISENDY Hangkawidjaja, Aan Darmawan HASUGIAN, MEILAN JIMMY Herawati YS Herawati Yusuf Herawati Yusuf Herawati Yusuf Heri Andrianto I Nengah Agus Mulia Adnyana I Wayan Sukadana Ida Ida Ida, Ida Indra Maulidin JAYA, WILLIAM EKA Jeffrey Christopher Jeremy Jonathan Jeremy, Dimitri Jimmy Gozali JONATHAN, RONALDO DAVE Judea Janoto Jarden KALYA ICASIA Lesmana, Cindrawati Lin, Che Wei LIN, CHE-WEI M, Kevin Reynaldo Markus Tanubrata Markus Tanubrata Markus Tanubrata MEILAN JIMMY HASUGIAN Moses, Elia Muhamad Dani Ardiansyah Muliady, Muliady Nathaniel Pius Winata Nicolaus Cornellius Novie Theresia Br. Pasaribu Novie Theresia Br. Pasaribu Nugroho, Vincensius Olga Catherina Pattipawaej Pasaribu, Novie Theresia Patrick Fellipe Army Pintu Batu, Michael Cladius Poltak Rainisa Maini Heryanto Ratnadewi Ratnadewi . Renaldy, Derry RESTIANTO, REINALDO STEVEN RESTIANTO, REINALDO STEVEN Reynaldy Felicius Gunawan Richard Setiawan Riko Arlando Riko Arlando Saragih Rudy Wawolumaja Santoso Santoso SARJONO, RUDI SARJONO, RUDI SETIAWAN, FEBRIAN Setiawan, Febryan Siti Zubaidah Sri Wahono T. Rudi Sarjono T. Rudi Sarjono T. Rudy Sarjono Tara Anggada Putra Tio Dewantho Sunoto Utama, Arvin Ezekiel Denri VIERI CANDHYA WIGAYHA Vieri Candhya Wigayha Vincensius Nugroho Vincent Utama Wahono, Sri Winda Halim Wulan Sallydri Santoso Yehuda Njuah Sectio Cibro Yeremia Timotius Yohana Susanthi Yulianti Talar YUVENS, VINCENSIUS Zefanya, Kevyn Vicy