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This paper presents the design and implementation of an automatic Virgin Coconut Oil (VCO) making device using an Arduino Uno microcontroller. Virgin Coconut Oil has gained popularity due to its health benefits and versatile uses in various industries. The traditional process of making VCO involves manual effort and precise timing, which can be tedious and inconsistent. The proposed automated system aims to streamline the VCO production process by integrating sensors, actuators, and a microcontroller to achieve precise control and monitoring of the process variables. The Arduino Uno microcontroller serves as the central unit for data acquisition, processing, and control, facilitating automation through programmed logic. Key components of the automated VCO maker include temperature sensors for monitoring heating stages, a motor for stirring, and relays for controlling heating elements. The system utilizes feedback loops to maintain optimal conditions during each phase of VCO production, ensuring reproducibility and quality. The design also emphasizes user-friendly operation, with an interface that provides real-time feedback on process parameters and allows manual intervention if necessary. Safety features are incorporated to prevent overheating and ensure operational reliability. Overall, the developed automatic VCO maker offers a practical solution to enhance the efficiency and consistency of VCO production, catering to both small-scale producers and commercial enterprises in the food and cosmetic industries

Gigs Wear adalah sebuah startup konveksi yang bertujuan menyediakan layanan pembuatan lanyard, ID card, dan kaos custom berkualitas tinggi dengan harga terjangkau. Penelitian ini menggunakan metode design thinking untuk merancang antarmuka pengguna (UI) website Gigswear.co. Dengan fokus pada kebutuhan pengguna, lima tahapan design thinking diterapkan, yakni empathize, define, ideate, prototype, dan testing. Pengujian dilakukan menggunakan System Usability Scale (SUS), yang menunjukkan hasil sangat baik dengan tingkat keberhasilan rata-rata 100%. Temuan ini membuktikan efektivitas pendekatan design thinking dalam meningkatkan pengalaman pengguna, yang pada akhirnya mendukung keberlanjutan usaha Gigs Wear.

Attendance information system has an important role in improving the efficiency and accuracy of attendance recording in various institutions, including Bandar Pulau Police Station, which until now still uses manual methods. This research aims to develop a technology-based attendance information system to facilitate attendance data management, reduce recording errors, and speed up report generation. The research was conducted using qualitative method through observation, interview, and literature study. The results showed that the attendance system at Bandar Pulau Police Station was still done manually by recording in a book, which slowed down the data recording process. The research recommends a computer-based attendance information system to simplify the management of personal attendance data. The system design includes use case diagram and interface design, including login menu, attendance data input, and attendance report. The main objective is to develop a system that is more practical, efficient, and facilitates the attendance administration process within the police sector.

Scheduling content on social media effectively and efficiently has become an important need for users, especially users who use social media as a tool to help run their business or organization. This research aims to design a user interface for a website-based social media scheduling application using the Rapid Application Development method and Unified Modeling Language (UML). This method was chosen because development can be done quickly through literacy that involves users so that it can fulfill everything needed to create an optimal system. The research stage begins with user interviews, and later this data will be used to develop an initial UI design prototype designed using Figma. UML is used to visualize the design model and also how the system will run later. This system is expected to help make posting social media content easier.

This study aims to develop a web interface for a digital wedding invitation service provider (Fairytale) using the User-Centered Design (UCD) approach. The research method follows the UCD approach, consisting of four main stages: (1) understanding the context of use, (2) identifying user needs, (3) designing solutions, and (4) design evaluation. Data collection involved 36 respondents through questionnaires, interviews, and usability testing. The findings highlight three key functional requirements: template customization (94.4%), guest list management (88.9%), and digital RSVP (86.1%). The implementation of UCD resulted in significant improvements in usability metrics: task success rate increased from 65% to 91.7%, error rate decreased from 35% to 8.3%, and user satisfaction rose from 3.2 to 4.3 (on a 1-5 scale). Mobile-first optimization became a central focus, given that 72.2% of users prefer accessing the platform through mobile devices. This research contributes to the development of the UCD model for digital platforms in Indonesia and provides practical guidelines for user-centered interface development. The study's limitations include a small sample size and a geographically focused scope, suggesting opportunities for future research with a larger scale..

Information system is an important component of any institution, a proper information system could bring a lot of benefits. An example of this is the attendance system. Chinchin Production faced a difficult challenge of managing human resources because previously employees had to sign their attendance manually, which is proven to be inefficient. The solution to this challenge is a proper attendance system to replace the old manual attendance system. The development methodology used is Extreme Programming (XP). Extreme Programming (XP) is an Agile project management methodology that aims for speed and simplicity. The prototype is designed using Unified Modeling Language (UML) as a modelling tool to visualize the structure of the system, as well as Figma to design the User Interface (UI) of the system. This attendance system helps Chinchin Production in managing human resources.

This study concentrates on the design and construction of a laboratory-scale centrifuge for the separation of gum from crude palm oil (CPO). The extraction of gum from CPO is essential in the palm oil sector to guarantee that the finished product adheres to quality standards and is safe for consumption. We engineered the prototype centrifuge to accommodate six 600-mL bottles and achieve a maximum rotational speed of 1400 rpm. The design procedure utilised Autodesk Inventor software for CAD modelling and computations to ascertain the centrifugal force, power capacity, and shaft diameter. The process of manufacturing entailed cutting and shaping stainless steel into the necessary components, subsequently followed by drilling and milling operations for mounting points and interfaces. We implemented surface treatment to augment corrosion resistance and elevate visual appeal. The assembling procedure encompassed component integration, motor incorporation, and control system configuration. The experimental configuration involved centrifugal testing utilising 600-mL glass bottles with time intervals of 10, 20, 30, and 40 minutes at an average rotational speed of 924 rpm. The experiment showed that the centrifuge worked well to separate the gum and other contaminants from the CPO. The best separation happened after 40 minutes of centrifugation.

Electronic asset management is important to increase operational efficiency and minimize the risk of loss or damage to goods that are company assets. Developed system for managing inventory data, maintenance and asset reporting. The development process follows the Agile stages, starting from gathering requirements through interviews and surveys with users. Next, the interface and system features are designed, as well as iterative testing to ensure the system meets user expectations. The result of this research is an information system that can manage electronic asset data effectively, increase information accuracy, and speed up the decision-making process. It is hoped that the implementation of this system can make a significant contribution to asset management in the organization and increase transparency and accountability in the use of resources.

Digital transformation has become a strategic step for government institutions in improving administrative efficiency and the quality of public services. One crucial aspect of this process is the management of correspondence archives, which in many cases is still conducted manually, making it inefficient and prone to data inaccuracies. Based on observations and interviews, it was found that the archiving process at the Department of Manpower and Transmigration of Sumedang Regency is still performed manually using Excel spreadsheets, with an average of 15–30 letters processed per day or more than 700 archives per year. This study aims to design a digital letter archiving system using the Design Thinking method, which consists of five stages: Empathize, Define, Ideate, Prototype, and Test, with the research focused up to the Prototype stage. The results indicate that the designed digital archiving system successfully accommodates user needs through a simple, structured, and easy-to-use interface. The final design, presented in the form of a Wireframe, includes several main pages: Login, Forgot Password, Dashboard, Incoming and Outgoing Archives, Add Archive Form, and Add Archive Menu. The application of Design Thinking has proven effective in producing a user-centered system design that supports the implementation of digital transformation within governmental administrative environments.

The Community Service Programme at MA Mambaul Ulum Paiton focuses on improving the digital literacy of grade XII students through Microsoft Word training. This initiative addresses the urgent need for the students to acquire essential office software skills, which are critical for success in higher education and professional environments. The programme is implemented through three stages viz: planning, implementation, and monitoring and evaluation. It starts with identifying students' skill gaps, designing a phased curriculum, and delivering hands-on practice-based training. Training sessions covered basic topics, including an introduction to the Microsoft Word interface, formatting and organising documents, as well as advanced features such as creating tables and creating charts. To maximise learning outcomes, training was conducted in small groups, using interactive teaching methods and continuous evaluation. The results showed significant improvements in students' competencies, demonstrating the programme's ability to effectively bridge the digital skills gap. In addition, the initiative also provides long-term benefits by improving students' readiness to face academic and professional challenges. This effort not only fulfils an educational need, but also strengthens the overall quality of education contributing to the growth of digital literacy in MA mambaul Ulum.

Digitalization is the main pillar of change in various aspects of life, including education and social interaction. Balai Diklat Keagamaan Palembang has adopted digital transformation through the development of eL TV, a digital learning platform. This research aims to analyze the User Interface (UI) and User Experience (UX) on the eL TV website of the Palembang Religious Education and Training Center from an anthropological perspective using the Design Thinking method. This approach integrates aspects of culture, habits, and user behavior to create socially and contextually relevant designs. The research stages include Empathize through observations and interviews to understand user needs, Define to identify key problems, Ideate to generate creative solutions, Prototype to build an initial design that is responsive to local values, and Test to measure the effectiveness of the new design. This research concludes that an anthropological approach to UI/UX design through the Design Thinking method can increase user relevance and satisfaction with the eL TV website, while encouraging the use of technology that is more inclusive and oriented to the needs of local communities.  

Efficient energy use in household appliances has become a primary concern as awareness of environmental sustainability grows. Smart electric stoves with automatic temperature control features offer an innovative solution to enhance energy efficiency while ensuring comfort and safety during use. This study aims to design and develop a smart electric stove system based on a microcontroller with automatic temperature control algorithms. The system employs temperature sensors to detect real-time temperature changes and a Proportional-Integral-Derivative (PID) algorithm to maintain stable temperatures as set by the user. A simple and intuitive user interface is designed to facilitate operation, while the automation feature allows the system to shut off the heating element independently when the temperature exceeds a safe threshold. Test results demonstrate that the designed system can reduce energy consumption by up to 25% compared to conventional electric stoves without automatic controls. Therefore, this research significantly contributes to the development of energy-efficient and safe smart kitchen appliances.

Online learning has become an essential component of modern education; however, conventional online learning platforms often rely on two-dimensional interfaces that limit user engagement, interaction, and immersion. These limitations reduce learning motivation and hinder the creation of an effective learning experience, particularly for activities that require active participation. To address these challenges, this research focuses on the design of User Interface (UI) and User Experience (UX) for online learning implemented in a Virtual Reality (VR) environment. The objective of this study is to develop a user-centered VR-based online learning interface that enhances interaction, usability, and learning comfort. This research applies the Design Thinking methodology, which consists of five stages: empathize, define, ideate, prototype, and test. User needs and usability issues were identified through observations and interviews, followed by interface design and prototype development of a VR learning environment featuring chat rooms, whiteboards, slide presentations, and virtual representations of teachers and students. Usability evaluation was conducted using the Maze platform to measure user success rates in completing predefined tasks. The results show that 80% of users completed tasks through the expected interaction paths, exceeding the minimum usability threshold of 70%, while 20% of users failed to complete the tasks, indicating areas for improvement. These findings demonstrate that the proposed UI/UX design effectively supports user interaction and usability in a VR-based learning environment. In conclusion, this study confirms that integrating Design Thinking into the UI/UX design process contributes to the development of effective and user-centered VR-based online learning systems, while also highlighting the importance of usability evaluation for refining immersive educational interfaces.

The advancement of science and technology in society has become an important need, impacting the improvement of human resource quality and the emergence of new fields such as Visual Communication Design (DKV). One form of DKV development is User interface (UI), which helps users get information and interact with products. In supporting design processing, software assistance is needed, one of which is CorelDraw X7. To determine the quality of the CorelDraw X7 UI, an analysis was carried out using the theory of 8 Golden Rules of Interface Design which has indicators: Strive For Consistency, Seek Universal Usability, Offer Informative Feedback, Design Dialogs to Yield Closure, prevent errors, Permit Easy Reversal of Actions, Keep Users in Control, and minimize short-term memory load. The results of this study using the descriptive qualitative method show that the CorelDraw X7 UI is in the good category. Three indicators, namely Strive For Consistency, Seek Universal Usability, and Permit Easy Reversal of Actions, are applied optimally. Four indicators are applied well but not optimally, namely Offer Informative Feedback, prevent errors, Keep Users in Control, and minimize short-term memory load. The Design Dialogs to Yield Closure indicator is in the less than good category. Suggestions for improvement include reducing feedback delay, updating the status bar icon, adding languages ​​other than English-US, and updating the toolbox icon to reduce errors in selecting tools.

In the animation industry, the effectiveness of user interface (UI) and user experience (UX) design in image processing software is crucial for enhancing user comfort and productivity. This study aims to evaluate the UI/UX design in software belonging to the Adobe family, such as Photoshop, Illustrator, and After Effects. The employed methodology is Design Thinking, which includes the steps of Empathize, Define, Ideate, Prototype, and Test, to analyze each aspect of UI/UX design. Data were gathered through surveys and interviews with industry professionals to understand their experiences and perspectives. Preliminary results indicate that while Adobe applications are generally satisfactory, some software like After Effects and Illustrator require specific adjustments to the workspace menu to better meet user needs. These findings highlight areas needing improvement in image processing software to enhance user comfort and work efficiency. This research is expected to contribute to the development of more user-centered software, thereby improving user experience quality in the animation.

The design of a village fund assistance information system using the C4.5 algorithm aims to optimize the selection process for prospective aid recipients at the Ogan Ilir Regency Social Service (DINSOS). Currently, the village fund assistance selection process often takes a long time and is prone to inaccuracy and unfairness due to the limitations of the manual system. The C4.5 algorithm was chosen to build an effective decision tree in classifying based on predetermined criteria, such as income, number of dependents, employment, housing status, and expenses. By utilizing the Gain or Gain Ratio value of each attribute, the C4.5 algorithm is able to produce a clear decision tree, which makes it easier for DINSOS to make decisions objectively and transparently. This information system is designed with an easy-to-use user interface and a structured database to facilitate the management of aid recipient data. The results of the implementation of this system show increased accuracy in determining prospective aid recipients and time efficiency in data processing, thus supporting efforts to evenly distribute village fund assistance in Ogan Ilir Regency in a targeted manner.

This research aims to design and developing a hydrofluorocarbon (HFC) leak monitoring system in the cold storage cooling system on the Anchor Handling Tug Supply (AHTS) ship by utilizing Internet of Things (IoT) technology. HFC leaks in cooling systems can cause environmental hazards and operational inefficiencies. The proposed system integrates sensors and IoT devices to continuously monitor HFC levels, detect leaks in real-time, and provide instant alerts to crew and management. The system architecture includes sensors for HFC detection, a microcontroller for data processing, and a communication module for data transmission to a central monitoring platform. Real-time data can be accessed through a user-friendly interface, enabling timely intervention and maintenance. Initial testing shows that the system is effective in identifying and reporting HFC leaks, potentially reducing environmental impacts and improving the safety and efficiency of cold storage operations on AHTS vessels. Further development and extensive field testing are planned to refine the system and validate its performance across a wide range of operational conditions.

Distance learning has become a supporting tool in education in the digital era. Improving the quality of education requires changing new, more efficient learning methods by designing E-Learning applications for learning media. The Manado State Christian Institute already has an Information System platform which aims to facilitate student registration and administration. To improve the quality of education, an E-Learning application is needed. The aim of this research is to design an E-Learning application as a distance learning platform that facilitates communication between students and lecturers in accessing material, assignments, challenges and exams. System design is carried out using Unified Modeling Language (UML) based modeling. Based on the results of usability testing, a score of 95.2% was obtained, which means that the E-Learning application is very good to use based on the experience of 5 respondents representing the Manado State Christian Institute.

The information system for making invitation letters for guest stars at TVRI North Sumatra is designed to increase efficiency in managing invitations and guest information. This research aims to identify various challenges faced during the implementation of practical work at TVRI, such as administrative problems and employee delays. Through the use of web-based technology, this application is expected to provide practical and relevant solutions, facilitating the process of making invitations, managing guest data, and confirming attendance. The system development method used includes requirements analysis, user interface design, and implementation using HTML, CSS, JavaScript, and PHP for database management. It is hoped that the results of this research will be able to make a significant contribution to the efficiency of TVRI's internal processes, as well as creating valuable practical experience in the field of information technology.  

This research aims to design and build a web-based broadcast equipment inventory information system at TVRI North Sumatra. This information system was developed to overcome existing inventory management problems, such as tracking, managing and maintaining broadcast equipment. The development method used includes requirements stages, system design analysis, implementation, and testing using the black box method. This system was built using PHP as the programming language, MySQL as the database, and CSS and JavaScript for the user interface. Test results show that this system can manage equipment inventory effectively, including the functions of borrowing, returning and maintaining equipment. This system also allows integration with other existing systems at TVRI and provides long-term benefits such as increasing data accuracy and operational efficiency. The implementation of this information system is expected to support smooth operations and improve the quality of inventory management at TVRI North Sumatra.