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Perancangan UI/UX sebelum memulai pengembangan aplikasi adalah langkah strategis yang krusial. UI/UX yang baik tidak hanya meningkatkan kepuasan dan retensi pengguna tetapi juga mengurangi biaya dan waktu pengembangan, serta membantu membangun brand yang kuat. Pada pembuatan aplikasi mobile perlu dibuatkannya UI/UX, UI/UX merupakan salah satu hal utama dalam pembuatan sebuah aplikasi yang menjadi faktor penentu dalam menaikan traffic penjualan. Activity Centered Design (ACD) merupakan pendekatan yang berpusat pada aktivitas yang menganggap aktivitas sebagai tujuan tingkat tertinggi dan memandang motivasi untuk berpartisipasi dalam suatu aktivitas dan hasil yang diinginkan dari berpartisipasi dalam aktivitas itu adalah sama. Proses ACD memiliki empat tahapan yaitu requirement, desain, implementasi dan evaluasi. Salah satu metode yang digunakan dalam perancangan antarmuka yaitu metode Activity Centered Design, metode ini dikenal sebagai suatu metode yang fokus pada aktivitas pengguna produk Setelah dilakukan hasil pengujian SUS dari 15 responden maka diperoleh dari nilai rata-rata atau SUS Score sebanyak 84,16. Penelitian ini menghasilkan rancangan interface prototype aplikasi mobile penjualan alat bulutangkis GOR Siti Sofiah dengan menggunakan metode Activity Centered Design dengam fitur yang telah disesuaikan dengan kebutuhan pengguna dan telah dilakukan pengujian menggunakan metode System Usability Scale (SUS). Berdasarkan pengujian usability dengan perhitungan System Usability Scale (SUS) diperoleh nilai rata-rata SUS sebesar 84,16 Berdasarkan hasil perhitungan tersebut menunjukkan bahwa rancangan prototype yang dibuat sudah memenuhi kebutuhan pengguna.

The research aims to optimize student absence management at the Anigou Nabire High School of Health Professionals through the development of an Excel and Visual Basic based system using the Prototype method. The system is designed to improve accuracy and efficiency in the recording and processing of student presence data, replacing the manual methods that are vulnerable to errors. The Prototipe method is chosen to enable iterative development with user feedback, thus producing a system that is more tailored to the needs of the end user. Test results show that the system improves data accuracy, speeds up processing time, and makes it easier for teachers and administrative staff to use. Thus, the study concluded that the absence system based on Excel and Visual Basic with the Prototype method could be an effective solution to addressing the problem of student absence management and could be adopted by other schools facing similar challenges.

This research develops a web-based information system for analyzing and evaluating visitor satisfaction at Kibito Amona Nabire Beach. The system collects automated data from online surveys, visitor reviews, and social media, which it analyzes to identify satisfaction patterns and trends. Using prototype methodology, the system was designed, developed, and tested to ensure accuracy and efficiency. The technology used includes MySQL for the database and Macromedia Dreamweaver for interface design. The results are expected to improve visitor satisfaction management, even though there are limitations such as limited access only to the beach area and site management by one admin.    

A simple thermal waste generator is a promising solution for managing waste and generating electricity. This study aims to design and develop the tool. Through waste composition analysis, thermal design planning, prototype construction, and tool performance testing, we succeeded in creating an effective prototype. In performance testing, this tool is able to generate enough electrical power to meet daily energy needs on a small scale. Thus, this simple thermal waste power generator shows potential as an effective and environmentally friendly solution. Nevertheless, further research is needed to improve the efficiency and scalability of the tool, as well as to optimize the management of the residue from burning waste.

This research is based on the low numeracy literacy skills of students, which are due to their unfamiliarity with solving numeracy literacy problems and the limited availability of such problems, making it difficult for teachers to provide numeracy literacy problems to students. Therefore, it is necessary to develop math problems that can measure students' numeracy literacy skills. The method applied in this research is Research and Development with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation) without implementing the fourth and fifth stages. The development process starts from the analysis stage, which includes curriculum analysis, needs analysis, and material and problem analysis. After that, in the design stage, a product prototype is designed, and in the development stage, the product is consulted with three experts as validators. Next, the product is tested on students to determine its validity and reliability. The results show that all problems have a validity coefficient greater than , which means that all developed problems fall into the valid category. The developed problems are also highly reliable, with a reliability coefficient of . Therefore, it is concluded that this development research produces 36 AKM-based problems to measure students' numeracy literacy skills in statistics that are valid and reliable.

Hipertensi merupakan salah satu penyakit tidak menular yang umum terjadi di dunia. Salah satu penyebab umum hipertensi adalah pola makan yang tidak sehat. Dalam menanggapi hal tersebut, Dietary Approach to Stop Hypertension (DASH) disarankan sebagai pola makan yang efektif untuk mengurangi tekanan darah. Meskipun telah terbukti efektif, penderita hipertensi masih belum dapat menerapkan pola makan tersebut secara konsisten. Salah satu faktor penghambat penerapan pola makan DASH adalah ketidaktahuan penderita hipertensi dalam memodifikasi pola makan sesuai anjuran yang ada. Berdasarkan permasalahan tersebut, penelitian ini bertujuan untuk merancang pembuatan aplikasi pola makan DASH bagi penderita hipertensi berbasis mobile yang dapat memberikan rencana makan sesuai pola makan DASH. Rencana makan dalam jangka waktu tujuh hari yang dibuat setiap harinya meliputi sarapan, makan siang, dan makan malam. Menu makanan akan dirancang dan disesuaikan dengan jumlah kebutuhan kalori harian. Penderita juga dapat memantau asupan natrium sesuai dengan makanan yang telah dikonsumsi. Sebelum mengembangkan aplikasi, usability testing dilakukan menggunakan metode heuristic evaluation untuk mengevaluasi desain pada prototype. Pengembangan aplikasi dilakukan menggunakan metode waterfall model dengan arsitektur BLoC. Aplikasi mobile dikembangkan menggunakan bahasa pemrograman Dart, framework Flutter, Bloc, Firebase, dan Edamam untuk sistem operasi Android. Pengujian black box kemudian dilakukan dengan metode functional testing. Setiap fitur yang diujikan berhasil berjalan sesuai yang diharapkan dan dinyatakan lolos pengujian. Hasil penelitian menunjukkan bahwa aplikasi Milda dapat digunakan oleh penderita hipertensi untuk menjalankan pola makan sehat dengan memberikan rencana makan sesuai dengan pola makan DASH. Rencana makan yang diberikan mendorong penderita hipertensi untuk memulai atau mencoba kembali pola makan DASH. Selain itu, variasi menu makanan yang menarik juga mendorong penderita hipertensi untuk lebih konsisten dalam menjalankan pola makan DASH.

Effective knowledge management is crucial for maintaining competitiveness in today's digital era. PT. Pesona Edukasi, as a developer of educational software, faces challenges in managing and disseminating knowledge among their frequently mobile IT Helpdesk team. To address this, this research aims to implement a Mobile Knowledge Management System using the Rapid Application Development (RAD) approach at PT. Pesona Edukasi.The RAD method was chosen to enable rapid, flexible, and responsive application development to meet changing business and technological needs. This study includes needs analysis, system design, prototype development, and application evaluation to ensure its effectiveness in enhancing access and collaboration in knowledge dissemination throughout the company. The results of the research, following the application implementation, demonstrate a positive contribution to improving operational efficiency and IT service quality at PT. Pesona Edukasi, accelerating knowledge exchange and enhancing the productivity of the IT Helpdesk team. 

In an era where information technology and communication continue to advance, competition in the business world is becoming increasingly intense. Companies must strive and employ strategies to sustain their businesses. Success is closely related to a company's ability to manage inventory effectively to meet customer demand maximally. This research aims to develop a web-based inventory management information system for Toko Agen Umi to facilitate the management of stock data and transactions. The development approach adopted is Prototype. The anticipated outcome of implementing this system analysis is to streamline the creation of Purchase Orders, Delivery Orders, and inventory reports with a user-friendly interface. The application aims to organize inventory management in a more structured, systematic, and computerized manner to prevent calculation errors. It is advised not to adhere strictly to one system to allow for continual learning and development in the process.  

Gobak sodor is a traditional Indonesian game.  This article is compiled to relate to the application of detection tools in the simulation of the gobak sodor game. The goal is to produce a prototype of a tool that can help facilitate the detection process in the movement of the gobak sodor game. The method used is the RAD (Rapid Application Development) method which has stages, namely requirement planning, design workshop and implementation, data collection techniques, namely literature studies, and documentation. As a result of the implementation of this tool, it will be able to work automatically when there is a player who crosses the line will block the light reaching the LDR. The findings of this device, the existence of an alarm and lights turn on when there are players who cross the barrier line.  This is because a change in resistance in the LDR triggers an alarm system or indicator light to detect movement. If the player's body hits the LDR sensor, then the device will sound.

Sebagian masyarakat biasa melakukan kegiatan bertamu untuk mempererat tali silaturahim dengan orang lain. Namun saat tamu memasuki area rumah dan tiba di pintu masuk, terkadang penghuni rumah sedang tidak ada dirumah atau tidak mengetahui jika ada tamu yang sedang berkunjung. Selain itu jika penghuni rumah sedang beraktifitas di dalam rumah dan berada jauh dari pintu masuk rumah membuat suara tamu tidak terdengar. Untuk mengatasi permasalahan diatas maka di zaman sekarang ini dapat dimanfaatkan teknologi dalam bidang internet of things (IoT) yaitu untuk pembuatan  prototype bel rumah otomatis berbasis IoT dan face recognition dengan menggunakan modul ESP32-CAM serta aplikasi Android sebagai media notifikasi. Prototype bel rumah otomatis ini dibangun menggunakan komponen ESP32-CAM, sensor PIR, buzzer serta API face recognition sebagai database pengenalan wajah. Untuk pembangunan prototype aplikasi Android sebagai media notifikasi menggunakan software Android Studio dan Firebase sebagai basis datanya. Adapun metode yang digunakan yaitu metode prototyping. Berdasarkan hasil pengujian yang telah dilakukan, diketahui bahwa sensor PIR mampu mendeteksi tamu dengan jarak kurang lebih 200 meter dan ESP32-CAM dapat melakukan deteksi wajah dengan rentang jarak 40-80 cm. Sedangkan persentase error fungsional sebesar 16.6%. Hal ini menunjukkan bahwa hasil pengujian pada bel rumah otomatis bisa berjalan dengan baik.

Electric motors with an electromagnetic devices that convert electrical energy into mechanical energy, so it can be that electric motors are include in the category of dynamic electric machines. The research to find out the design of the circuit form protoype from wye delta, how to replace the system control circuit starting wye delta, and obtain a large result measuring the flow current of the 3 phase induction motor when the motor starts the motor running. Method used between another study of literature, than to do design and testing of tools and data retrieval. The results of the system test is effective, obtained, digging, initial current, electric motor with value, with the acquisition of measurement results when using the wye system on R, S, and T phase each 0,6 ampere, 0,8 ampere, and 0,6 ampere. When using the delta system on R phase of 7,5 ampere,S phase of 8,5 ampere, and T phase of 8,3 ampere. Prototype from thid tools operates with controller system, using a toll called a semiautomatic control system, whit an electromagnetic working principle ehere the main function of the contactor is as a magnetic switch.

This community service activity aims to develop a web app for the management of sacrificial animal operations, covering the entire process from ordering to meat distribution. The development methodology integrates Agile, DevOps, and Design Thinking. The study focuses on Masjid Baiturrahman located at Jl. Legoso Raya No. 31B, RT 06 RW 07, Pisangan Village, Ciputat Timur District, South Tangerang City. Agile methodology ensures iterative and adaptive development based on user feedback. DevOps automates integration and ensures continuous delivery, facilitating rapid and reliable deployment. Design Thinking guides user-centered solution design through stages of empathize, define, ideate, prototype, and test. This activity resulted in a web-based application that can be used by the management of DKM Masjid Baiturrahman for managing sacrificial animal data. This web-based application is capable of enhancing efficiency, accuracy, and transparency in all stages of the ordering, slaughtering, and meat distribution processes. Moreover, it assists DKM in digitally managing sacrificial animal data, ultimately improving operational performance and congregational trust in the sacrificial process.

Effective communication becomes an important part in developing a child’s character and to prevent the violence of parents towards children. This research aims to develop a communication instrument of parents towards children. There are two communication aspects, which are the opened communication aspect and the closed communication aspect. There are two stages in developing this instrument: first, an introductory study stage to determine the prototype instrument and the second, expert validation examination stage and field examination. Based on the expert analysis results, the instrument has passed the construct validity and it is declared as fit for use. The results of the field examination show that from 34 items, 24 are declared as valid, with the validity value of ≥0.3 and they are reliable as the r value= 0.84≥0.7. From the expert analysis and the field examination, it is concluded that the instrument is fit for research use.

Effective communication becomes an important part in developing a child’s character and to prevent the violence of parents towards children. This research aims to develop a communication instrument of parents towards children. There are two communication aspects, which are the opened communication aspect and the closed communication aspect. There are two stages in developing this instrument: first, an introductory study stage to determine the prototype instrument and the second, expert validation examination stage and field examination. Based on the expert analysis results, the instrument has passed the construct validity and it is declared as fit for use. The results of the field examination show that from 34 items, 24 are declared as valid, with the validity value of ≥0.3 and they are reliable as the r value= 0.84≥0.7. From the expert analysis and the field examination, it is concluded that the instrument is fit for research use.

The automatic packaging machine for tempeh improves both hygiene and efficiency in production. This Vertical Form Fill Seal model, equipped with a hole-punching mechanism, is examined in this study with a focus on the kinematics of its three key components: the horizontal sealer, vertical sealer, and drawing roller. The horizontal and vertical sealers are actuated by a single DC gear motor operating at 40 rpm, which manages their intermittent opening and closing. Additionally, a stepper motor running at 30 rpm controls the timing and drawing length of the plastic packaging, ensuring precise start and stop functions. The study's results revealed the following performance metrics for the machine's components: The horizontal sealer achieved a stroke distance of 62.4 mm, with the sealer operating at a maximum speed of 75.71 mm/s, and a total travel time of 1.65 seconds from closed to open position. For the vertical sealer, the stroke distance was 63 mm, with the sealer moving at maximum speed of 89.67 mm/s, and a travel time of 1.4 seconds from fully open to fully closed. The friction roller, driven by a stepper motor at 30 rpm, achieved a plastic withdrawal speed of 59.66 mm/s, allowing it to pull the plastic a maximum length of 167 mm within each 2.8-second cycle of the sealer components. It can be observed that continuous motor movement can be converted into intermittent back-and-forth motion using bar mechanisms, with the velocity at each position varying based on the length of the bars.

In running a business in the service sector, it is necessary to have media that can be used to introduce their business in the mass media. One of the mass media that is suitable in this era is the website. The website that will be designed will contain testimonials, services offered and articles that can help users. In offering services through the website, because the services of making melon gardens are still common in the community. So that the existence of this website can create new jobs and can make it easier for service users. The method used in making this information system is to use a prototype model, where the flow and stages used include identifying users and developing prototypes. The results of this study are in the form of an information system in the form of a website that offers services for making melon gardens.

Jabbar Global Sinergi is an online store engaged in the electronics sector, located in the South Tangerang area. This shop sells various kinds of electronic components and accessories and several other spare parts, in its operations Jabbar Global Synergy still uses the manual method, which is recorded in a book to record goods so that errors often occur in the stock data, and the lack of time efficiency in searching for goods makes it difficult to obtain data online.realtime.This study aims to design information systemsinventory website-based electronic goods on cv jabbar global synergy to facilitate data collection while increasing time efficiency making it easier to obtain data or information onlinerealtime. The expected result of this research is to be able to build and design information systemsinventory website-based electronic goods to make it easier to get information about data and goods reports onlinerealtime.

As human habits change due to advances in technology and information, technology is increasingly important in various aspects of life. Companies must keep up with development trends in the globalization era to develop their products and compete with fierce business competition. Artasari UMKM produces a variety of chips located in one of the villages in Purbalingga Regency. This UMKM still conducts sales and marketing traditionally. Bookkeeping and recording of transactions are still done manually, which causes many problems, such as consumers not trusting the results of calculations. A cashier information system is needed to improve operational efficiency and transaction security. It can help with data collection, bookkeeping, and recording transactions as well as creating financial reports as needed. In this research, the prototyping model is used to design a cashier application at UMKM Artasari. It is considered to help overcome this problem. This research is expected to improve the operational efficiency and security of UMKM Artasari transactions and increase consumer confidence in the calculation results. The result of the design is a system display consisting of several pages which include the login page, transaction data, sales reports, help, and prototype proof of transactions to be printed.

Methodology is a very important basic framework in the design and development of professional software, aimed at creating an information system that meets the business needs of an organization. Success in software development relies heavily on managing the software project as a whole. Establishing a methodology includes high dynamics in the design stages of a model that describes the activities and life cycle of a system. SDLC (Systems Development Life Cycle) or Systems Development Life Cycle, in the context of systems and software engineering, is a process that includes the creation and modification of systems, as well as the models and methodologies used to develop them. This discussion will explain the analysis of selecting software development methodologies, including waterfall, prototype, iterative, spiral, and rapid application development (RAD). It is hoped that the results of this discussion can provide considerations in choosing and using the right methodology based on each individual's needs, strengths and weaknesses, as well as other factors such as familiarity with technology, system complexity, system reliability, and short and precise time requirements, as well as referencing several scientific journals.

Technological advancements have significantly contributed to the robotics industry, yet mobility remains a challenge that can be addressed with mobile robots. In education, it is crucial to understand the basic principles of robotics and the use of related software and hardware. This research focuses on using a 4WD mobile robot as a learning tool. This robot offers flexibility and is easily controlled via a smartphone with built-in sensors. A smartphone application was developed using App Inventor, an open-source web-based development platform. The HC-05 Bluetooth module was used to connect the smartphone application with the 4WD robot. The goal of this research is to design innovative learning media to aid in understanding the concepts and control of the 4WD robot, as well as to increase students' interest and motivation in learning robotic systems. The results of the research demonstrated success in creating a 4WD robot prototype controllable via an Android smartphone. The distance between the Arduino and smartphone did not significantly affect the robot's movement, although communication was disrupted if the distance exceeded 10 meters. Directional control was achieved through the rotation of the right and left wheels, and sufficient power supply was needed to drive all wheels. Programming with C/C++ and Bluetooth communication functioned as planned. This innovative learning media is expected to help students understand and operate the 4WD mobile robot more effectively