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This study develops an e-commerce application prototype with a User-Centered Design (UCD) approach that places user needs and preferences as the main focus. User interface (UI) and user experience (UX) design play an important role in creating intuitive interactions, which contribute to user satisfaction and retention. The UCD method allows testing and adjusting designs based on user feedback, thereby improving navigation comfort. The UCD stages in this study include planning, understanding the context, identifying user needs, creating design solutions, evaluating, and finalizing the design. The needs analysis revealed important features, such as digital product recording, displaying structured information through a dashboard, and a search feature. The developed prototype showed increased inventory management efficiency and reduced recording errors. The results of the study showed that the application of UCD in the development of the UI/UX e-commerce prototype created a user-friendly interface and improved the shopping experience. This application is expected to meet user expectations and support a comfortable and satisfying shopping experience, and emphasize the importance of user involvement in the product development process.

In the current era of information technology, easy and efficient transaction management is an important requirement in the business world, both small and large scale. Rumah Makan Mie Happy is a medium-scale culinary business. Happy Noodle Restaurant provides noodle-based preparations. In its daily life, Happy Noodle Restaurant can serve around 100 consumers, so that the service process requires speed to serve consumers. But in fact, Mie Happy Restaurant still uses manual data processing and transaction management, so it often experiences problems such as slow payment processes, frequent loss of receipts or proof of payment, difficulty in recapitulating or reporting transactions both daily and monthly, and frequent errors in the calculation process. From the problems experienced by Mie Happy Restaurant, the author is interested in developing a web-based cashier application that can help in all matters related to transaction management at Mie Happy Restaurant. The research conducted aims to build or develop a cashier application for Happy Noodle Restaurant that can improve the efficiency and effectiveness of transaction management. This cashier application was built or developed using Hypertext Markup Language (HTML) and Hypertext Preprocessor (PHP) with Visual Studio Code editor and MySQL Database Management System (DBMS). The results of testing with black box testing show that the cashier application developed in functionality has run as expected. This web-based cashier application provides convenience for admins and increases the effectiveness and efficiency of operational activities.

This research explores the use of Augmented Reality (AR) in the prototyping of product design, focusing on mobile applications for e-commerce. The aim of this study is to evaluate how AR can enhance the prototyping process in product design, improve efficiency, and facilitate better interaction between designers and end-users. The research method involves developing a mobile application prototype with AR and testing it with end-users. The results indicate that AR accelerates the design process, improves visualization accuracy, and enhances design communication. This study provides insights into the benefits and challenges of using AR in product design.

Perkembangan teknologi informasi telah membawa perubahan signifikan dalam berbagai aspek kehidupan, termasuk layanan transportasi. Penelitian ini bertujuan untuk merancang dan mengembangkan sebuah aplikasi berbasis web yang memungkinkan proses pemesanan kendaraan dilakukan secara terintegrasi antara admin, penumpang, dan pengemudi. Aplikasi ini dirancang untuk meningkatkan efisiensi dan kenyamanan dalam manajemen transportasi. Metodologi penelitian melibatkan analisis kebutuhan pengguna melalui wawancara dan survei, desain sistem menggunakan metode prototyping, serta implementasi menggunakan bahasa pemrograman PHP dan framework Laravel. Sistem ini dilengkapi dengan tiga modul utama: (1) modul admin untuk mengelola data pengguna, kendaraan, dan jadwal, (2) modul penumpang untuk melakukan pemesanan kendaraan, dan (3) modul pengemudi untuk menerima dan memproses order. Pengujian aplikasi dilakukan menggunakan metode black-box testing untuk memastikan setiap fungsi berjalan sesuai spesifikasi, serta evaluasi kepuasan pengguna untuk mengukur efektivitas dan kemudahan penggunaan aplikasi. Hasil penelitian menunjukkan bahwa aplikasi ini dapat meningkatkan efisiensi proses pemesanan kendaraan dan memberikan pengalaman pengguna yang lebih baik. Diharapkan aplikasi ini dapat menjadi solusi inovatif dalam manajemen layanan transportasi dan mendukung transformasi digital di industri ini. Penelitian ini juga membuka peluang untuk pengembangan lebih lanjut, seperti integrasi dengan teknologi geolokasi dan pembayaran digital.

Perkembangan teknologi informasi telah membawa perubahan signifikan dalam berbagai aspek kehidupan, termasuk layanan transportasi. Penelitian ini bertujuan untuk merancang dan mengembangkan sebuah aplikasi berbasis web yang memungkinkan proses pemesanan kendaraan dilakukan secara terintegrasi antara admin, penumpang, dan pengemudi. Aplikasi ini dirancang untuk meningkatkan efisiensi dan kenyamanan dalam manajemen transportasi. Metodologi penelitian melibatkan analisis kebutuhan pengguna melalui wawancara dan survei, desain sistem menggunakan metode prototyping, serta implementasi menggunakan bahasa pemrograman PHP dan framework Laravel. Sistem ini dilengkapi dengan tiga modul utama: (1) modul admin untuk mengelola data pengguna, kendaraan, dan jadwal, (2) modul penumpang untuk melakukan pemesanan kendaraan, dan (3) modul pengemudi untuk menerima dan memproses order. Pengujian aplikasi dilakukan menggunakan metode black-box testing untuk memastikan setiap fungsi berjalan sesuai spesifikasi, serta evaluasi kepuasan pengguna untuk mengukur efektivitas dan kemudahan penggunaan aplikasi. Hasil penelitian menunjukkan bahwa aplikasi ini dapat meningkatkan efisiensi proses pemesanan kendaraan dan memberikan pengalaman pengguna yang lebih baik. Diharapkan aplikasi ini dapat menjadi solusi inovatif dalam manajemen layanan transportasi dan mendukung transformasi digital di industri ini. Penelitian ini juga membuka peluang untuk pengembangan lebih lanjut, seperti integrasi dengan teknologi geolokasi dan pembayaran digital.

This community service aims to develop new Girilayu Batik motifs that combine traditional elements with modern designs, and apply them to fashion and home decor products. Through a series of stages, starting from motif development, prototyping, to market testing, this Community Service has succeeded in producing products that are well received by consumers. The results of the market test show that this new motif not only increases the aesthetic appeal but also the selling value of Girilayu Batik products. The training provided to batik artisans improves their skills in applying new motifs, as well as involving the younger generation in preserving the batik tradition. Marketing strategies through digital catalogs, company profile videos, and other digital platforms have proven effective in expanding market reach. However, this community service identified challenges in technology adaptation by artisans and international market penetration. Overall, motif innovation and product diversification are important strategic steps to maintain the relevance and competitiveness of Girilayu Batik in an increasingly competitive market.

The purpose of this study was to develop AKM model mathematics questions using the Yogyakarta cultural context to determine the profile of mathematical literacy of high school students. This type of research is a design research type of development study using an emphasis on repeated cycle development using formative evaluation. This study developed a set of AKM model mathematics questions, with preliminary and prototyping stages. The subjects of the study were class X students of MAN 2 Wonosobo and were determined by partner teachers. Data analysis techniques used document analysis, walk through analysis, and test result analysis. The results of the study showed that: 1) a set of AKM model mathematics questions using the Yogyakarta cultural context that were compiled had met the valid criteria using the Formative Evaluation flow. 2) the results of the study of the profile of mathematical literacy of students in the field test subjects revealed that there were many students who had not completed, especially in the employ category where only 15% (6 out of 40 students) had completed it, namely on question number 8. Likewise in the formulate and interprete categories, both of which were no more than 17.5% of students who managed to get the maximum score. Likewise, in the content category, it can be seen that no more than 15% (6 out of 40 students) were able to obtain the maximum score on question number 8. Meanwhile, in the algebra domain, at least 32.5% (13 out of 40 students) managed to obtain the maximum score, namely on questions 23, 24 and 25. The same thing in the data domain can be seen to be higher than the number domain and geometry domain, although the percentage is quite low, namely 27.5% (11 out of 40 students) who obtained the maximum score.

Nowadays, more and more e-commerce platforms are emerging, creating a highly competitive environment for both individuals and groups. User experience and interface are key factors in attracting users' attention and fulfilling various needs to survive in a crowded market. In this context, the author proposes the prototyping of a chicken egg sales application named EiTech Supply in Cilacap Regency. This application is designed to overcome the problems that chicken egg farmers often face, such as competition between regions and the entry of new farmers with very low prices to attract customers. With the EiTech Supply application, it is expected to reduce these problems and increase the competitiveness of chicken egg farmers both inside and outside the region.    

Managing contract employee data is an important aspect in maintaining employee productivity and well-being in an organization or company. This research aims to design a database that can manage contract employee data effectively and efficiently. Using the prototyping method, this research involves several stages, namely problem formulation, data collection, system analysis, and system development. Data is collected through surveys, interviews, and observations, then analyzed to understand the needs of the system. Initial prototypes are developed and evaluated to ensure conformity to user needs. The designed database allows for centralized and structured storage of employee data, facilitates data access and updates, improves data consistency and accuracy, and improves security and ease of data analysis. Testing is carried out by black-box method to ensure system functionality. The test results show that the system can manage contract employee data well, meet user needs, and provide support for better decision-making in human resource management. The study concludes that integrated and well-documented management of contract employee data can improve operational efficiency and support organizational success.    

In the rapidly evolving digital era, the demand for precious metals, especially gold, has significantly increased. Companies need to adopt modern technology to facilitate the ordering of precious metals effectively and efficiently. This study aims to design the user interface (UI) and user experience (UX) of a precious metal ordering application using the Design Thinking method, which involves the stages of empathy, definition, ideation, prototyping, and testing. Starting with problem identification and interviews to understand user needs, this study produces user personas and user flows that assist in creating wireframes and mockups of the application. The prototype is tested through usability testing using the System Usability Scale (SUS) and Maze to measure user effectiveness, efficiency, and satisfaction. The results show that the designed application enhances user experience with an intuitive and easy-to-use interface, achieving a usability testing score of 85 on the SUS and a task success rate of 90% on Maze, indicating that the Design Thinking method is effective in designing the UI/UX of a precious metal ordering application.  

Kucing adalah hewan peliharaan populer yang sering kali rentan terhadap berbagai penyakit. Ketidakmampuan pemilik untuk mendiagnosa penyakit kucing secara tepat waktu sering kali mengharuskan konsultasi dengan dokter hewan yang sebagian besar hanya tersedia di perkotaan. Penelitian ini bertujuan mengembangkan sistem pakar berbasis web menggunakan metode Forward Chaining dan Certainty Factor untuk membantu mendiagnosa penyakit pada kucing. Metodologi pengembangan sistem ini mencakup tahap persiapan, prototyping, dan penyelesaian. Pada tahap persiapan, masalah dirumuskan dan wawancara dengan dokter hewan dilakukan untuk membangun knowledge base. Tahap prototyping melibatkan pembuatan mesin inferensi dan knowledge base, sementara tahap penyelesaian meliputi implementasi sistem ke dalam antarmuka pengguna berbasis web menggunakan PHP dan framework Laravel. Hasil uji sistem menunjukkan konsistensi tinggi dengan hasil diagnosa manual menggunakan Excel. Sebagai contoh, diagnosa penyakit Virus Panleukopenia memiliki nilai certainty factor sebesar 94,62% pada aplikasi, sementara perhitungan manual menunjukkan 95,21%, dengan perbedaan hanya 0,41%. Hal ini menunjukkan bahwa sistem pakar yang dikembangkan mampu memberikan diagnosa yang cepat dan akurat. Kesimpulannya, sistem pakar berbasis web ini dapat diandalkan untuk mendiagnosa penyakit kucing dan membantu dokter hewan serta pemilik kucing melakukan diagnosa awal dengan lebih efisien.

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.

Penelitian ini bertujuan untuk melakukan pengembangan aplikasi monitoring grooming berbasis Android. Aplikasi ini dirancang dengan tujuan meningkatkan efisiensi dalam pemesanan dan pencatatan pesanan grooming serta mempermudah manajemen jadwal dan layanan bagi petgroomer. Metode yang digunakan dalam penelitian ini adalah metode prototyping. Terdiri dari tiga tahap yaitu komunikasi dengan klien, pengembangan sistem, dan pengujian sistem. Setelah melakukan komunikasi dengan klien untuk mengetahui kebutuhan sistem, selanjutnya yang dilakukan adalah melakukan pengembangan sistem. Setelah mengetahui kebutuhan dari sistem, selanjutnya disusun  Unified Modeling Language (UML) dengan tujuan untuk meningkatkan efisiensi pengembangan sistem. Beberapa diagram UML yang dipakai, seperti use case, diagram alir, dan diagram activity. Kemudian, sistem diimplementasikan dengan menggunakan REST API melalui Retrofit dan bahasa pemrograman Java, menggunakan tools Android Studio. Langkah yang terakhir adalah melakukan pengujian terhadap sistem. Aplikasi ini dapat memberikan solusi yang efektif bagi industri grooming hewan peliharaan dengan meningkatkan efisiensi operasional dan memberikan pengalaman yang lebih baik bagi pemilik hewan peliharaan dan groomer. 

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.

Fresh water is a basic need of the ship's crew in supporting the creation of smooth ship operating activities, therefore it is also necessary to have an auxiliary aircraft that can produce its own fresh water on board to reduce ship operating costs, which is called the Fresh Water Generator (FWG).  FWG is an auxiliary aircraft that can convert seawater into fresh water by evaporation and condensation processes. Therefore, it is necessary to have a tool to monitor the performance of the fresh water generator. The purpose of this research is none other than to monitor temperature conditions, water TDS, and conditions on the input and output streams of the fresh water generator evaporator filter to be more optimal and efficient and to determine the reliability of the fresh water generator performance equipment system using a long distance in order to create better and higher quality fresh water production on board. This research uses a prototyping method system. After designing and testing the tool monitoring system for the performance of fresh water generators using Arduino mega 2560 based on LoRa Ra-02, this system is one of the new technologies that can monitor the performance of fresh water generators to be more efficient and reliable. Then the readings of all sensors can work properly with an average percentage error on the Max 6675 temperature sensor of 0.58%, pressure transmiter sensor 1 of 2.04%, pressure transmiter sensor 2 of 2.04%, and TDS  sensor of 1,70% and the distance to communication between the receiver and transceiver reaches a range of 200 meters without obstacles and 97 meters through obstacles around.

The condition of the ship's generator coolant is always monitored because it affects the performance of the ship's engine. Maintaining the engine coolant temperature is very important to avoid damage that occurs because the engine coolant is too hot on the engine components. With the internet of things, a technological concept has the ability to connect and facilitate the communication process between machines, devices, sensors and humans via the internet network. The aim of this research is none other than to monitor and automatically fill the water level of coolant radiators on generator engines on ships using an IoT system. This research uses a prototyping method system. After designing the tool, testing the tool, monitoring system and automatic filling of the water coolant radiator on the generator engine, the average error rate in the ultrasonic sensor readings when the first test was carried out was 3.02%, the second error was 2.57%, and the third error was 3.63%. Meanwhile, the coolant water discharge data is known to be 3 seconds to 10 seconds with a discharge of 60.7 mL/s. Where this data is monitored on the Blynk 64 mL/s application with an error rate of 5.43%. Therefore, the monitoring and charging system for this water coolant radiator using the IoT system can work well.

In the digital age, public road lighting (PJU) monitoring efficiency is becoming essential for effective infrastructure management. The research developed a PJU monitoring system based on LoRa technology and an Arduino microcontroller to monitor the operating conditions of PJU solar panels in real time. The system uses the LoRa 433 MHz module for remote data communication and is equipped with a voltage sensor to monitor batteries and solar panels as well as an ACS712 current sensor to measure current consumption on LED lights. The data is displayed on an I2C 16x2 LCD screen, making monitoring easy. LoRa technology offers the advantages of broad communication range and low power consumption. The development method used is prototyping, including needs analysis, system design, implementation, testing, and maintenance. Test results show that the system works well, with sensors providing adequate accuracy and LoRa communication enabling remote data access. The system improves the efficiency and accuracy of PJU monitoring, as well as reduces time and effort in the monitoring process. Overall, the system is an effective solution for PJU management in the digital age.

The oil fuel stock monitoring system (BBM) is becoming crucial to the management of valuable energy assets. The aim of the author is to conduct an effective system analysis and development to monitor BBM stocks. The research uses prototyping methods, which include the following steps: identification of initial needs, initial prototype making, evaluation and feedback, improvement and development, final implementation, and final evaluation. An easy-to-understand user interface design and an efficient database structure are important components of system design. Web-based software development is part of the system implementation. The testing process is carried out to ensure the performance, reliability, and security of the system. The system is regularlyined to remain functional and relevant. It is expected that the results of this practice will make a significant contribution in improving the efficiency and accuracy of monitoring BBM stocks. Moreover, these results will provide the basis for similar system development in the future.  

In the current era of technological development, many people are already using technology in their daily activities. Various sectors have also utilized technology to help their activities. Sate Tancap is a business in the Food and Beverage sector which is quite popular in the Tangerang area and has quite a lot of visitors and buyers every day. The stock or inventory recording system at Sate Tancap is experiencing difficulties and still uses records that are not yet computerized. This research aims to provide an application for admins and cashiers that can be used regarding the lack of a system for managing menus and inventory at the Sate Tancap food stall. This research uses the prototyping method, in this method the researcher analyzes stakeholder needs, then creates an initial system design, then this prototype is approved by stakeholders. So, researchers will carry out the next stage, namely creating a Sate Tancap application website. After that, it is implemented to users and related parties. The existence of a sales and inventory recording system application is useful for satay food stalls, especially for owners and cashiers so that sales activities are more effective and efficient.

Setiap pemilik rumah atau ruangan seringkali mengalami kelalaian ketika meninggalkan rumah atau ruangan. Salah satu kelalaian yang sering terjadi yaitu pintu yang belum terkunci. Penggunaan anak kunci untuk saat ini sangat mudah dirusak oleh pelaku kejahatan karena anak kunci yang digunakan masih kurang efektif dan mudah terjadi kehilangan saat pemakaian. Penelitian ini bertujuan untuk membantu pengguna dalam mengatasi kelalaian terhadap penguncian pintu apakah kondisi pintu sudah terkunci atau belum dari jarak dekat maupun jauh melalui smartphone. Prototipe ini dibangun dengan metode Prototyping dan diprogram agar dapat dikontrol menggunakan mikrokontroler ESP8266 berbasis Internet of Things (IoT) yang dilengkapi dengan komponen MC-38 Magnetic sensor, motor servo SG90, buzzer, RFID, dan kunci gerendel dengan terhubung pada penyimpanan Supabase dan Firebase yang nantinya akan ditampilkan pada aplikasi smartphone yang dibuat menggunakan Flutter. Prototipe ini dapat berfungsi dengan baik ketika melakukan penguncian dengan kunci gerendel pada pintu baik secara jarak jauh mapun dekat serta mendeteksi kondisi pintu yang terbuka atau tertutup dengan menyalakan buzzer dan mengirimkan data log juga notifikasi pada aplikasi smartphone. Hasil dari prototipe ini diharapkan dapat mengurangi pelaku kejahatan yang menyusup ke rumah atau ruangan melalui pintu masuk sebagai jalan utama memasuki rumah ataupun ruangan.