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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Media Infotama Sistemasi: Jurnal Sistem Informasi Jurnal ULTIMA Computing Jurnal Teknologi dan Informasi INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Jurnal Informatika dan Rekayasa Perangkat Lunak JTIULM (Jurnal Teknologi Informasi Universitas Lambung Mangkurat) Journal of Educational Chemistry (JEC) REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) Bulletin of Pedagogical Research Amal Ilmiah: Jurnal Pengabdian Kepada Masyarakat The Indonesian Journal of Computer Science
Liptia Venica
Universitas Pendidikan Indonesia
Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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KIMI.AR Application for Easier and Interactive Chemistry Learning Irawan, Elysa Nensy; Salman, Fauzie; Putri, Aisyah Aira; Sakti, Rizky Hamdani; Mulya, Tri Seda; Venica, Liptia
Journal of Educational Chemistry (JEC) Vol. 5 No. 2 (2023)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.16077

Abstract

Chemistry is a crucial subject since it covers the structure and makeup of the world around us. However, chemistry is frequently cited as a subject that students dislike. Most secondary school pupils believe that chemistry is difficult, uninteresting, and unimportant. Therefore, an improvement in learning technic is needed. An application called KIMI.AR was created in this research. KIMI.AR is a learning media in the form of a mobile-based augmented reality application regarding elements and the formation of chemical reactions that are expected to solve high school students' problems in the chemistry learning process. What makes the KIMI.AR application better than other chemistry learning applications is the focus on the displayed material according to the user's level and displaying descriptions in addition to 3D visualization that students can access through their respective Android devices. So, through the KIMI.AR application, learning chemistry becomes easier and more interesting.
Serverless Computing: Cloud Run and App Engine Analysis in Profile Website Deployment Maulidia, Zirlyfera Zakiya; Venica, Liptia
Sistemasi: Jurnal Sistem Informasi Vol 13, No 2 (2024): Sistemasi: Jurnal Sistem Informasi
Publisher : Program Studi Sistem Informasi Fakultas Teknik dan Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/stmsi.v13i2.3005

Abstract

Cloud Computing enables individuals or companies to obtain network access on-demand, including servers, storage, and applications. Google, as one of the Cloud Computing service providers, offers Google Cloud Platform (GCP) with various computing services. Two serverless computing options Google provides for server management are Cloud Run and App Engine. Although both services share similarities in server management and infrastructure, it is essential to analyze their differences to gain a better understanding of serverless computing on the Google Cloud Platform. This study utilizes a qualitative method for gathering information and follows the Extreme Programming method for website development. This approach shows that users need not be concerned about servers or infrastructure management as Google takes care of it entirely. Four things are different in Cloud Run and App Engine: definition, features, deployment process, and usability.
IDENTIFYING AND FIXING UX-FRICTION EMPLOYEE DEVELOPMENT WEBSITE WITH MIXED APPROACH HEART FRAMEWORK AND USABILITY TESTING Rini W; Liptia Venica; Rizki Hikmawan
Jurnal Teknologi Informasi Universitas Lambung Mangkurat (JTIULM) Vol. 9 No. 1 (2024)
Publisher : Fakultas Teknik Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtiulm.v9i1.197

Abstract

The company website has an important role in the business processes that occur in the company, one of which is managing employee productivity. PT.XYZ utilizes the Kaizen website to improve the quality of its employees. Assessment of user experience while operating the website can be a form of evaluation between expectations and actual conditions related to website feasibility. In this study, the researcher intends to find out what indicators are obstacles in the operation of a web-based application called the Kaizen website at PT.XYZ so that there is inefficiency in its use. This research involved 54 respondents who were employees of PT.XYZ. The combination of HEART and Usability Testing methods is used to identify obstacles experienced by users and evaluate user experience when using the Kaizen website. The results of the analysis are then used to improve website performance in order to create a good user experience. The results showed that the HEART score increased by an average of 9% on each variable. Usability testing assessment also shows that the Kaizen website reaches the acceptable category with a score of 90.5 after improvements are made.
Unlocking Wellness: Pionering IoT Wearable Sensor with The Smart Ring for Body Fatigue Monitoring Hadi Putri, Dewi Indriati; Irawan, Elysa Nensy; Venica, Liptia; Pratama, Hafiyyan Putra
ULTIMA Computing Vol 17 No 2 (2025): Ultima Computing: Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v17i2.4172

Abstract

In this study, we present the development and implementation of a low-cost IoT wearable device, the Smart Ring, designed to monitor body fatigue levels. Fatigue, often resulting from energy-draining physical activities, can lead to serious health conditions such as heart attacks, strokes, and asthma. Current devices like smartwatches offer limited functionality in preventing fatigue by merely providing vital sign information. Our Smart Ring aims to bridge this gap by integrating advanced sensors (MAX30100 for heart rate, SpO2, and body temperature) and utilizing fuzzy logic for real-time fatigue level classification. The Smart Ring is paired with an Android application that not only tracks the user's physiological data but also issues alerts and notifications when fatigue thresholds are reached, ensuring timely intervention. The device is designed to be economical and accessible, promoting widespread adoption for better health monitoring in the Society 5.0 era. Preliminary testing with users has demonstrated the effectiveness of the Smart Ring in accurately detecting and categorizing fatigue levels during various activities, supporting its potential as a valuable tool in personal health management. Index Terms— Low-cost, IoT, wearable sensor, body fatigue, the smart ring
IoT with Firebase: Smart Ring Android App Using MAX30100 for Fatigue Detection Liptia Venica; Elysa Nensy Irawan; Dewi Indriati Hadi Putri
Journal of Electrical, Electronic, Information, and Communication Technology Vol 6, No 1 (2024): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.6.1.81312

Abstract

IoT in healthcare enables real-time health monitoring & data evaluation of patient conditions. One of the benefits of IoT wearable devices is protecting a person from getting exhausted. Body fatigue is an indicator of the emergence of several problems such as sudden attacks of dangerous diseases, accidents, and so on. The large number of deaths from various diseases and accidents that are triggered by body fatigue makes monitoring the level of body fatigue important to minimize this. Through this research, we proposed the Smart Ring; a tool for monitoring and evaluating the level of body fatigue using a wearable sensor and based on the Internet of Things (IoT). In this article, we focus on developing the software component (Android application) and database management system of the Smart Ring IoT system. Age, heart rate, SpO2, and body temperature are used as indicators to determine user’s body condition categories. These data are collected through sensors on hardware part of Smart Ring System. The proposed database management system is able to store collected data inside NoSQL database in the form of documents. Smart Ring Android-based application is capable to monitor three user’s body condition and evaluate them to predict the user’s condition with classification accuracy of 100% within the defined categorization rules. It offers real-time user monitoring for exhaustion signs and triggering timely alerts with sub-2-second data processing under ideal conditions. The proposed Smart Ring system is expected to become an easy to develop, economical and portable medical device which help improve the welfare of society 5.0 in the health sector.
Adaptive System for Streetlights in the Shopping Center Area of Purwakarta Region using Fuzzy Logic Method Dewi Indriati Hadi Putri; Hafiyyan Putra Pratama; Liptia Venica; Vormes Gema Merdeka; Makna A'raaf Kautsar
Journal of Electrical, Electronic, Information, and Communication Technology Vol 5, No 2 (2023): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.5.2.79675

Abstract

Streetlight systems generally use time condition as the parameter, which set the lights to be always on during specified period. This way, the system has flaws in its inefficiency and ineffectiveness. The system designed in this research considers the intensity of surrounding lights and passing pedestrians as the parameters, and fuzzy logic to get fuzzier output of the luminosity level for the streetlight. From the results of testing and analysis, it can be concluded that the design in this research has been successfully built as the results obtained are in accordance with the previously set fuzzy logic universe of discourse. By implementing an adaptive street lighting system in this study can help streamline light energy, because the street lighting lights can adjust themselves depending on the presence or absence of pedestrians passing by using a PIR sensor and the level of light brightness in that place using an LDR sensor.
KutaBaca: Developing and Implementation of an Offline Digital Library System to Enhance Literacy in the Low-Connectivity Environment of Wiyata Tech Village Purwakarta Venica, Liptia; Sodikin, Reisa Aulia; Herlina, Nina; Elviani, Ulva; Zahron, Aulia Aufa; Kurniawan, Muhammad Randy; Nugraha, Ariel Dwika; Putri, Dewi Indriati Hadi
REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Vol 7, No 1 (2026): Reka Elkomika
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaelkomika.v7i1.60-69

Abstract

Achieving Quality Education (Sustainable Development Goals, or SDGs, Point 4) remains a significant challenge in rural areas characterized by low digital infrastructure. Specifically, Kutamanah Village in Purwakarta faces critical literacy issues, with its primary school's literacy rate tragically categorized as ‘red,’ compounded by a low regional Quality Education Index score of 46.70. This research aims to address this digital and literacy gap through the systematic development and implementation of KutaBaca, an Offline Digital Library system. Utilizing a Research and Development (R&D) methodology based on the Software Development Life Cycle (SDLC) model, the system was designed with a local server and an internal wireless network, allowing students and teachers to access a vast collection of e-books and learning modules without relying on an external internet connection. Evaluation focused on rigorous Functional Testing and a System Usability Scale (SUS) assessment involving 30 students and 7 teachers. The results demonstrate a 100% functional success rate and an overall average SUS score of 83.1 ('Excellent'). This confirms that KutaBaca is a reliable, user-friendly, and replicable technological innovation, effectively increasing access to information and serving as a sustainable solution to boost literacy and support SDGs 4, 10, and 17 in low-connectivity regions.
An evaluation of stereo vision for distance estimation using the SGBM algorithm in the CARLA simulator Sakti, Rizky Hamdani; Venica, Liptia; Putri, Dewi Indriati Hadi; Kosmaga, Shinta Rohmatika; Rijanto, Estiko
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 16, No 2 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2025.1284

Abstract

This paper presents an evaluation of stereo vision based on the semi-global block matching (SGBM) algorithm for distance estimation in an autonomous parking scenario using the CARLA simulator. Distance-disparity regression functions are explored to enhance distance estimation accuracy. The proposed distance estimation model was evaluated using the design science research methodology (DSRM) framework, with experimental validation conducted in CARLA’s promenade environment. The evaluation employed root mean square error (RMSE) and relative error metrics to assess performance. Experiments were performed within a range of 40-350 cm, which is relevant for autonomous parking applications. The experimental results show that the algorithm achieves an overall RMSE of 1.69 cm and an average relative error of 1.1 %. The findings contribute to the advancement of perception systems for autonomous vehicles, particularly in challenging environments.
Transformasi Pembelajaran di SD melalui Lokakarya Unplugged Coding Berbasis STEAM bagi Guru Nuraeni, Fitri; Hikmatunisa, Nenden Permas; Nurussama, Alfiana; Putri, Hafiziani Eka; Alindra, Afridha Laily; Venica, Liptia; Nurhajati, Ayu Rahayu
Amal Ilmiah: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 1 (2026): Edisi Maret 2026
Publisher : FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/amalilmiah.v7i1.586

Abstract

Kementerian Pendidikan dan Kebudayaan mendorong pengenalan coding dan berpikir komputasi di sekolah dasar. Namun banyak guru yang belum memiliki pengalaman dalam mengajarkan coding dan masih menganggap bahwa coding hanya relevan untuk mata pelajaran informatika atau teknologi, padahal coding dapat diterapkan secara lintas mata pelajaran dengan pendekatan Science, Technology, Engineering, Arts & Mathematics (STEAM) yang lebih kontekstual. Di sisi lain, keterbatasan infrastruktur digital, khususnya di sekolah-sekolah negeri di Kabupaten Purwakarta menjadi kendala utama dalam pelaksanaan pembelajaran coding. Sebagai solusinya, diselenggarakan lokakarya unplugged coding berbasis STEAM yang memungkinkan guru mengeksplorasi strategi pembelajaran berpikir komputasi tanpa bergantung pada perangkat elektronik. Metode pelaksanaan mencakup tahap persiapan, pelaksanaan, dan evaluasi dengan peserta guru sekolah dasar di Kabupaten Purwakarta. Hasil evaluasi menunjukkan peningkatan teaching efficacy guru dalam mengajarkan coding melalui pembelajaran STEAM. Lokakarya ini diharapkan dapat memperkuat kompetensi profesional guru dalam menerapkan pembelajaran abad ke-21.
Co-Authors Alindra, Afridha Laily Andhini Oktafrina Andrian, Rian Delia Apriliani Diky Zakaria Elviani, Ulva Elysa Nensy Irawan Estiko Rijanto Fahrur Aslami Firda Rosiana Tanjung Fitri Nuraeni Galura Muhammad Suranegara Gilang Rajasa Goro Fujita Hadi Putri, Dewi Indriati Hafiziani Eka Putri, Hafiziani Eka Hikmatunisa, Nenden Permas Hikmawan, Rizki Hilya Anbiyani Fitri Muhyidin Humaira Fauziah, Myeisha Ica Nurlaela Kosmaga, Shinta Rohmatika Kurniawan, Muhammad Randy Lailia, Sifa Kiamul Makna A'raaf Kautsar Maulidia, Zirlyfera Zakiya Muchamad Amin Maezun Ta'sin Billah Muhammad Ayyas Muhammad Husni Muttaqin Mulya, Tri Seda Nadia Tiara Antik Sari Nina Herlina Nugraha, Ariel Dwika Nurhajati, Ayu Rahayu Nurussama, Alfiana Nuur Wachid Abdul Majid Pani Herlina Pratama, Hafiyyan Putra Putri, Aisyah Aira Resa Azahra Rini W Rista Dewi Opsantini Sakti, Rizky Hamdani Salman, Fauzie Sodikin, Reisa Aulia Syaifi Al-Mahfudzi Tanjung, Firda Rosiana Vormes Gema Merdeka Zahron, Aulia Aufa