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Deo Renaldi Saputra
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Editorial Address
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Jawa tengah
INDONESIA
Inventa: Journal of Science, Technology, and Innovation
ISSN : 31233147     EISSN : 31233155     DOI : 10.65310
Core Subject : Engineering,
Inventa: Journal of Science, Technology, and Innovation is a peer-reviewed scientific journal that focuses on the dissemination of high-quality research in the fields of science, technology, and innovation. It serves as an open platform for researchers, engineers, practitioners, and academics to publish original studies, applied research, and theoretical developments that advance scientific and technological knowledge. The journal welcomes manuscripts covering various topics, including natural and applied sciences, engineering and technology, information and communication technology, industrial innovation, renewable energy, and environmental studies. All submissions undergo a rigorous double-blind peer-review process to ensure academic integrity, originality, and scientific excellence. Inventa is published triannually in April, August, and December, promoting innovative, sustainable, and forward-looking contributions that support scientific progress and technological advancement at both national and international levels.
Articles 37 Documents
Penerapan Metode First-In First-Out (FIFO) Komputerisasi Persediaan Barang pada Pergudangan untuk Mengoptimalkan Perputaran Persediaan Hafizh Subagja; Tegar Rihanjaya; Fauzi Nur Afansyah; Abdul Rahman; Yudi Prasetyo
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/x8vyy927

Abstract

This study aims to analyze the implementation of the First-In First-Out (FIFO) method in a computerized inventory management system for warehousing to optimize inventory turnover. The system was developed using a structured software architecture represented through class diagrams and sequence diagrams to ensure clear data relationships and well-defined process flows. The application integrates hardware and software specifications that support stable data processing, accurate transaction recording, and reliable reporting. The FIFO method ensures that goods entering the warehouse earlier are prioritized for release, reducing the risk of stock accumulation and improving inventory control efficiency. The results indicate that the computerized FIFO-based inventory system enhances operational effectiveness, improves stock accuracy, and supports compliance with accounting standards related to inventory valuation. Furthermore, the system provides timely and reliable inventory information that assists management in decision-making processes. The implementation of a FIFO-based computerized inventory system is proven to be an effective solution for improving warehouse inventory management performance and supporting sustainable operational efficiency.
Keanekaragaman dan Status Konservasi Burung Air di Kawasan Danau Perintis Kabupaten Bone Bolango Gorontalo Wafika Tasya; Mustamin Ibrahim; Zuliyanto Zakaria
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/9m5xmy47

Abstract

Perintis lake is a significant aquatic area with considerable potential as a habitat for various bird species, as it is surrounded by forest and agricultural areas that support a diverse avifauna. This research aimed to determine the diversity and conservation status of waterbird species in the perintis lake area. The research employed survery method by determining observations stations and  following the water flow river transect along the lake using a boat while recording all birds seen or heard. The results identified several waterbird species, including the Collared Kingfisher (Todiramphus chloris), Purple Heron (Ardea purpurea), Black-crowned Night Heron (Nycticorax nycticorax), Cerulean Kingfisher (Alcedo coerulescens), White-browed Crake (Porzana cinerea), Javan Pond Heron (Butorides striata javanica), Barred Rail (Gallirallus torquatus) and Javan Pond Heron (Ardeola speciosa). The conclusions are as follows : (1) The waterbird diversity index (H’) at perintis lake ranged from 1.365 to 1.912, which falls into the moderate category, indicating that the waterbird community in thus lake is fairly diverse; (2) The evennes index (E) ranged from 0.378 to 0.526, indicating that the distribution of individuals among species is relatively stable
Antagonisme Trichoderma sp. terhadap Colletotrichum capsici: Uji In Vitro sebagai Strategi Pengendalian Hayati Penyakit Antraknosa pada Cabai Rawit Triska Wahyuni Dawit; Ani M. Hasan; Jusna Ahmad; Yuliana Retnowati; Febriyanti, Febriyanti
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/dvr6m616

Abstract

Anthracnose disease is a plant disease caused by the fungus Colletotrichum capsici, the disease is one of the problems in the cultivation of cayenne pepper (Capsicum frutescens). This study aims to test the antagonistic ability of Trichoderma sp. against the fungus Colletotrichum capsici and observe the morphological changes in Colletotrichum capsici colonies exposed to Trichoderma sp in vitro on cayenne pepper plants Capsicum frutescens. The test method was carried out using the dual culture method to determine the percentage of inhibition by studying the interaction between Trichoderma sp. and Colletotrichum capsici colonies on Potato Dextrose Agar culture media. The results showed that Trichoderma sp. fungi can compete for space and resources against Colletotrichum capsici fungi macroscopically by controlling space and resources, and microscopically by producing antibiotics (antimicrobials) that can inhibit the growth of Colletotrichum capsici. The urgency of this research is the need for safe and environmentally friendly disease control efforts. One method that has been widely developed is by utilizing biological agents, such as Trichoderma sp. which is able to inhibit the growth of the pathogen Colletotrichum capsici.
Pengaruh Pelapisan Nanokomposit SiO₂–TiO₂ dan PANI pada Kain Tekstil terhadap Nilai Sudut Kontak Fadila Saputri; Ratnawulan, Ratnawulan
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/epfhe281

Abstract

This study investigates the effect of SiO₂–TiO₂ nanocomposite coating with polyaniline (PANI) addition on the wettability properties of textile fabrics. The research was conducted through a laboratory-scale experimental approach by applying nanocomposite coatings onto textile substrates using the dip-coating method. Calcination temperatures of 600°C, 700°C, 800°C, and 900°C were employed to evaluate the influence of thermal treatment on surface characteristics. Wettability performance was assessed by measuring water contact angles before and after twenty washing cycles to determine coating durability. The results indicate that all coated fabrics exhibited hydrophilic behavior, characterized by contact angles below 90°, demonstrating enhanced surface affinity toward water. Variations in calcination temperature significantly affected the contact angle values, reflecting changes in surface structure and chemical properties of the nanocomposite layer. After repeated washing, a decrease in hydrophilic performance was observed, suggesting partial degradation or detachment of the coating layer. The presence of PANI, which contains polar functional groups, is considered to contribute to improved surface wettability. Overall, the SiO₂–TiO₂/PANI nanocomposite coating shows potential for functional textile applications requiring controlled hydrophilic properties, although further optimization is necessary to improve long-term stability.
Pengembangan Media Pembelajaran Komik Berbasis Digital pada Konsep Sistem Pernapasan Kelas XI: Suatu Penelitian di SMA Negeri 1 Tilamuta Angreyna Diko; Margaretha Solang; Ilyas Husain
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/b4q9wx11

Abstract

This study aims to develop a digital comic-based learning media on the human respiratory system concept for eleventh-grade students at SMA Negeri 1 Tilamuta. The research employed a Research and Development approach using the ADDIE model, which includes analysis, design, development, implementation, and evaluation stages. The developed product was tested on a limited scale involving 19 students. Data were collected through expert validation sheets, observation sheets, questionnaires, and learning outcome tests. The results showed that the digital comic learning media achieved a very high level of validity based on media experts, material experts, and biology teachers. The practicality of the media was reflected in the very good implementation of learning activities, increased student engagement, and positive student responses. Furthermore, the effectiveness analysis indicated a significant improvement in students’ learning outcomes, as evidenced by the increase in pretest and posttest scores and an N-Gain value categorized as moderate. These findings indicate that digital comic-based learning media is feasible, practical, and effective for supporting biology learning, particularly in enhancing students’ understanding and learning motivation on the human respiratory system topic.
Pengembangan E-LKPD Berbasia Problem Based Learning (PBL) Berbantuan Live-worksheet Pada Materi Keanekaragaman Hayati Pada Kelas X SMA Ririn Wijayanti; Lilan Dama; Febriyanti
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/p2zyrs61

Abstract

This study aims to develop an E-LKPD based on Problem Based Learning (PBL) that is suitable for use in teaching biodiversity material to 10th grade high school students. This is a development study based on the ADDIE model, with the development stages limited to implementation through limited-scale trials. The research subjects consisted of 16 10th grade students at a high school in Gorontalo City. The validity of the learning tools was reviewed based on strong theoretical rationale and internal consistency through assessment by media experts, subject matter experts, and practitioners. The validation results showed that the media experts' scores ranged from 86% to 100%, while the subject matter experts' and practitioners' validation scores ranged from 71% to 85%, indicating that the tools were valid and feasible. Practicality was tested through the implementation of learning, student activities, and student responses. The implementation of learning was rated as excellent with a score of 81%–100%, student activities were rated as good with a score of 61%–80%, and student responses were rated as acceptable. The results of the study indicate that PBL-based E-LKPD assisted by live-worksheets is feasible to use and receives positive responses from students.
Analisis Pengaruh Kualitas Jaringan WiFi terhadap Kegiatan Pembelajaran Mahasiswi Politeknik IDN Bogor Sandra Murcia Sani; Shafiyyah, Shafiyyah; Muhamad Fikri; Ari Ramadhan
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/328nys72

Abstract

The development of information and communication technology in the era of globalization has brought significant changes in various aspects of life, including education. Technology enables the processing and delivery of information quickly, accurately, and efficiently, but it also poses challenges such as misuse and digital crime. In the context of education, the successful use of technology is highly dependent on the availability of infrastructure, particularly the quality of the internet network. WiFi is one of the main tools that supports access to digital learning materials, but poor network quality can interfere with learning effectiveness. This study aims to analyze the effect of WiFi network quality on the learning activities of female students at the Bogor IDN Polytechnic. The study uses a quantitative approach with data collection through technical network measurements using the Speedtest application and a questionnaire that assesses the students' experience in using WiFi for learning. The sample consisted of 25 female students randomly selected from the population of active female students. The results of this study are expected to provide an understanding of the role of WiFi network quality in supporting learning, as well as a basis for the campus to improve network services so that the learning process becomes more effective and comfortable. This study is in line with previous findings that emphasize the importance of internet access quality for student comfort and learning participation.
Optimalisasi UI/UX Aplikasi KRL Access: Studi Redesain Berbasis Design Thinking untuk Peningkatan Usability Hanifah Murtafiatul Haq; Hanifah Murtafiatul HaqHanifah Murtafiatul Haq; Candra Milad Ridha Eislam; Muhammad Fikri Hilabi
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/d6tm9q15

Abstract

This study aims to improve the usability of the KRL Access application through a comprehensive redesign process grounded in the Design Thinking framework. The research employed a qualitative approach, focusing on user needs identified during interviews with active KRL commuters. Key issues regarding inefficient navigation, unclear icons, and limited visibility of essential features prompted the development of a streamlined interface with reorganized information hierarchy. A high-fidelity prototype was created to reflect these improvements, emphasizing clearer visual structure, reduced navigation depth, and faster access to scheduling information. Usability testing demonstrated notable improvements in user experience, particularly in task efficiency and perceived ease of use. Participants reported that the redesigned interface felt more modern, intuitive, and aligned with their expectations for rapid information retrieval. The findings indicate that incorporating user-centric design principles can significantly enhance the functionality and overall usability of public transportation applications. This research contributes practical insights into improving digital service platforms through iterative design and evaluation.
Pengembangan Sistem Point of Sale (POS) Berbasis Web pada Penjualan Merchandise K-Pop dengan Implementasi Framework Laravel Dila Nur Sakinah; Zulva Al’Ilmi; M. Ilham Setya Aji; Abdullah, Abdullah; Muhamad Fikri
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/c22dzg59

Abstract

The development of a web-based Point of Sale (POS) system for Jayla Shop, an MSME engaged in K-Pop merchandise sales, aims to replace manual transaction recording and stock monitoring processes that can be inefficient and prone to errors. The system was developed using the Laravel framework with a MySQL database and the Waterfall development method, which includes requirement analysis, system design, implementation, testing, and evaluation. The system manages product data, stock data, sales transactions, and transaction details. Key features include automated sales transaction recording, transaction recap reports by specific periods, report export in PDF and Excel formats, an analytics dashboard with sales and product charts, best-selling product information, and stock notifications. In addition, the system supports receipt printing using a Bluetooth thermal printer. Functional testing was conducted using black-box testing and showed that all main features operated as expected, enabling the system to improve transaction efficiency and simplify report generation. Therefore, this POS application not only serves as a transaction support tool but also represents an initial step in the digital transformation of an MSME toward a more modern and integrated information system.
Kajian Awal Pemanfaatan Limbah Abu Boiler Kelapa Sawit Sebagai Material Konstruksi Non-Struktural Rezi Munizar
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/s2aa0v21

Abstract

Palm oil boiler ash waste is a by-product of biomass combustion in the palm oil industry, the amount of which continues to increase in line with the growth of the industry. To date, the utilization of boiler ash waste has been limited, with most of it simply being dumped, thus posing potential environmental problems. A study is needed to evaluate the potential use of palm oil boiler ash waste as a non-structural construction material. This study aims to conduct a preliminary study of the characteristics and feasibility of using palm oil boiler ash waste as a non-structural construction material. The research method used is an experimental method in the laboratory, beginning with testing the physical characteristics of boiler ash, followed by basic mechanical testing on non-structural materials that utilize boiler ash as a mixed material. The parameters analyzed include compressive strength and water absorption, which are compared with the applicable quality standards for non-structural materials. The preliminary results show that palm oil boiler ash waste has the potential to be used as a non-structural construction material, especially as a substitute or additive in the manufacture of building materials.  

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