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Prototype River Water Level Detection Tool Using Ultrasonic Sensor with Sound Output Based on Arduino Uno Microcontroller Chandra, Yudi Irawan; Irawati, Diyah Rury; Riastuti, Marti; Rokoyah, Kokoy
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): The June edition
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.298

River water that overflows or is at an uncontrolled height can cause flooding and environmental damage. Therefore, the development of a river water level detector that can provide early warning is very important. In this research, we propose a river water level detector using ultrasonic sensor with sound output based on Arduino Uno microcontroller. This device is designed to measure the level of river water by utilizing the principle of ultrasonic wave reflection. The ultrasonic sensor is installed above the river and sends ultrasonic waves to the water surface. The waves are then reflected back to the sensor after reaching the water surface. The travel time of the reflected wave is used to calculate the distance between the sensor and the river water surface.The Arduino Uno microcontroller is used to process the distance data obtained from the ultrasonic sensor. When the water level exceeds the specified limit, the microcontroller will generate a sound output as a warning. A speaker is connected to the microcontroller and will emit different sounds depending on the water level.This tool has advantages in terms of accuracy and responsiveness. By using ultrasonic sensors, measurements can be taken in real-time and provide water level information with high precision. The voice output also allows the information to be delivered directly and effectively to the user. The test results show that this river water level detection device can work well and provide early warning when the water level exceeds the specified limit. The success of this tool is expected to help in flood risk management and environmental conservation.

Sentiment Analysis of Product Reviews in the Sales System of Putra Electronics Store Wulandari, Maria Sri; Noveandini, Rahayu; Chandra, Yudi Irawan; Putra, Noval Dwi
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): The June edition
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.302

The Putra Elektronik Store is a commercial establishment that sells various electronic goods, including mobile phones, desktop computers, and laptops, among other products. The procedure for conducting transactions, which has been ongoing until now, is still done manually. The author suggests developing an online sales platform based on this information. The system design uses UML in addition to the programming languages PHP and Laravel. In addition, a tool for collecting customer reviews has also been developed. The purpose of this feature is to determine whether consumers' feelings regarding the things being offered are favorable or unfavorable by employing the navel Bayes algorithm and weighting tf (term frequency) and probability..

Sentiment Analysis of Product Reviews in the Sales System of Putra Electronics Store Wulandari, Maria Sri; Noveandini, Rahayu; Chandra, Yudi Irawan; Putra, Noval Dwi
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): The June edition
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.302

The Putra Elektronik Store is a commercial establishment that sells various electronic goods, including mobile phones, desktop computers, and laptops, among other products. The procedure for conducting transactions, which has been ongoing until now, is still done manually. The author suggests developing an online sales platform based on this information. The system design uses UML in addition to the programming languages PHP and Laravel. In addition, a tool for collecting customer reviews has also been developed. The purpose of this feature is to determine whether consumers' feelings regarding the things being offered are favorable or unfavorable by employing the navel Bayes algorithm and weighting tf (term frequency) and probability..

Prototype River Water Level Detection Tool Using Ultrasonic Sensor with Sound Output Based on Arduino Uno Microcontroller Chandra, Yudi Irawan; Irawati, Diyah Rury; Riastuti, Marti; Rokoyah, Kokoy
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): The June edition
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.298

River water that overflows or is at an uncontrolled height can cause flooding and environmental damage. Therefore, the development of a river water level detector that can provide early warning is very important. In this research, we propose a river water level detector using ultrasonic sensor with sound output based on Arduino Uno microcontroller. This device is designed to measure the level of river water by utilizing the principle of ultrasonic wave reflection. The ultrasonic sensor is installed above the river and sends ultrasonic waves to the water surface. The waves are then reflected back to the sensor after reaching the water surface. The travel time of the reflected wave is used to calculate the distance between the sensor and the river water surface.The Arduino Uno microcontroller is used to process the distance data obtained from the ultrasonic sensor. When the water level exceeds the specified limit, the microcontroller will generate a sound output as a warning. A speaker is connected to the microcontroller and will emit different sounds depending on the water level.This tool has advantages in terms of accuracy and responsiveness. By using ultrasonic sensors, measurements can be taken in real-time and provide water level information with high precision. The voice output also allows the information to be delivered directly and effectively to the user. The test results show that this river water level detection device can work well and provide early warning when the water level exceeds the specified limit. The success of this tool is expected to help in flood risk management and environmental conservation.

Perancangan Aplikasi Rekomendasi Shade Complexion Make Up Untuk Menentukan Jenis Foundation Menggunakan Model Rational Unified Process (RUP) Berbasis Web Widayati, Susi; Chandra, Yudi Irawan
Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Vol 5, No 3 (2024): Edisi Juli
Publisher : LPPM STIKOM Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/kesatria.v5i3.454

Determining the right foundation shade is a common challenge faced by make-up users, especially for those who have no experience in choosing beauty products. To solve this problem, this research designs a web-based application that can recommend the appropriate foundation shade based on the user's complexion. This application was developed using the Rational Unified Process (RUP) Model, a systematic and structured methodology for software development. The RUP model consists of four main phases: Inception, Elaboration, Construction, and Transition. In the Inception phase, user and stakeholder requirements are identified, as well as initial project planning. The Elaboration phase focuses on system analysis and design, including modeling of functional and non-functional requirements. The Construction phase involves developing and testing the system based on the design that has been created. Finally, the Transition phase focuses on application deployment and user training. This application uses several recommendation algorithms to determine the foundation shade that best suits the user's skin color. User data is obtained through manual input or through photo uploading, which is then analyzed using image processing technology. The results of this analysis are used to identify the user's complexion and provide appropriate foundation shade recommendations. The implementation of the web-based application allows easy and flexible access for users. The application is also equipped with an intuitive and user-friendly interface, making it easier for users to operate and get the desired recommendations. In addition, the app is designed to be continuously updated and adapted to the latest trends in the beauty industry, as well as user feedback. Through the application of the RUP Model, the development of this application is expected to run more efficiently and structured, producing quality products that meet user needs. This app not only helps users in determining the right shade of foundation, but also improves the overall online shopping experience of beauty products.

Penerapan Metode Bussines To Consumer (B2C) dalam Membangun Sistem Informasi Penjualan Bahan Pembersih Berbasis Web (Studi Kasus pada CCE Store) Chandra, Yudi Irawan; Sjafrina, Fitri; Arnesia, Pipit Dewi
Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Vol 5, No 3 (2024): Edisi Juli
Publisher : LPPM STIKOM Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/kesatria.v5i3.456

In building a web-based cleaning material sales information system, the Business to Consumer (B2C) method is applied with the aim of improving a more efficient and effective sales process and reaching a wider market. This research builds a web platform that facilitates direct communication between manufacturers or distributors of cleaning materials and end consumers. This system was created with the aim of providing easy access to product information, transparent pricing, and a simple transaction process. The process of developing this web-based information system involves a number of steps, starting from analyzing needs, designing the system, implementing the design to conducting trials and evaluations. During the needs analysis process, the functional and non-functional needs of the users, either those who produce or use the products, were recognized. The system design includes a user interface that is easy to understand, a database that is efficient in its structure, as well as crucial features such as product listing, shopping cart, online payment methods, and order monitoring. To carry out the implementation, the latest web technologies such as HTML, CSS, and JavaScript were used along with the Laravel framework on the backend side. Product, transaction, and user information were managed using a MySQL database. The system is tested as a whole to verify each feature operates effectively and according to predefined specifications. From this research, it is evident that applying the B2C method in a web-based cleaning material sales information system increases consumer satisfaction because it provides easier, faster, and safer access to information and transactions. In addition, this system also plays a role in helping manufacturers manage sales and inventory more efficiently, as well as presenting analytical data that is useful for business decision making. Overall, the web-based B2C cleaning sales information system solution provides innovation and practicality in supporting business operations in the digital age. Not only does this technology improve the efficiency of the sales process, it also opens up new opportunities in marketing and distributing cleaning products more broadly.

RANCANG BANGUN APLIKASI NOTIFIKASI PENJADWALAN DAN UMPAN BALIK SERTA SERTIFIKAT WEBINAR MENGGUNAKAN MICROSOFT POWER AUTOMATE Yudi Irawan Chandra; Kosdiana; Marti Riastuti
Prosiding Seminar SeNTIK Vol. 6 No. 1 (2022): Prosiding SeNTIK 2022
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Dewasa ini, kemajuan teknologi informasi khususnya komputer pribadi dan internet semakin pesat. Menggunakan komputer adalah cara yang bagus untuk menyelesaikan pekerjaan dengan cepat dan efektif. Manfaat lain internet adalah memperluas jangkauan media informasi yang dapat diakses. Terutama dalam kegiatan pendidikan yang terus memberikan ilmu kepada orang-orang yang ingin belajar. Pada masa pandemi ini, semua kegiatan tatap muka langsung dibatasi, termasuk juga dengan kegiatan mendaftar seminar yang harus dilaksanakan secara daring (webinar), maka dari itu, penulis membuat sistem pendaftaran daring dengan fasilitas yang disediakan oleh Microsoft yaitu Microsoft Power Automate sebagai solusi dari pendaftaran yang dilakukan secara tatap muka. Calon peserta akan diberikan link formulir pendaftaran yang harus diisi sesuai data diri. Setelah mengisi formulir pendaftaran, peserta akan dikirimi email yang berisi link tempat webinar akan diadakan. Setelah menyelesaikan kegiatan, peserta akan diberikan link form feedback untuk mendapatkan sertifikat keikutsertaan dari webinar. Pada tahap akhir aplikasi berhasil mengotomatisasi proses registrasi dan feedback dengan Microsoft Power Automate guna memberikan aktivitas link dan sertifikat partisipasi dalam kegiatan melalui E-mail. Pembangunan sistem ini menggunakan metode Sequential Linier (Waterfall) yaitu suatu metode pengembangan perangkat lunak tertua bersifat natural. Metode ini dijalankan dengan menggunakan metodologi yang sistematis, yang memungkinkan untuk melakukan departementalisasi dan mengontrol proses pengembangan model selangkah demi selangkah, untuk mengurangi kemungkinan kesalahan yang dibuat.

Rancang Bangun Aplikasi Chat Bot Line Menggunakan Pendekatan Agile Process Dengan Model Extreme Programming Berbasis Web (Studi Kasus Di Stmik Jakarta Sti&K) Yudi Irawan Chandra; Kosdiana
Prosiding Seminar SeNTIK Vol. 3 No. 1 (2019): Prosiding SeNTIK 2019
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Rancang Bangun Aplikasi Chat Bot Line Menggunakan Pendekatan Agile Process Dengan Model Extreme Programming Berbasis Web (Studi Kasus Di Stmik Jakarta Sti&K)

PERANCANGAN APLIKASI AUGMENTED REALITY MOBIL NISSAN SEBAGAI MEDIA PROMOSI MENGGUNAKAN METODE V MODEL BERBASIS ANDROID Yudi Irawan Chandra; Kosdiana
Prosiding Seminar SeNTIK Vol. 5 No. 1 (2021): Prosiding SeNTIK 2021
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Augmented Reality (AR) sebagai salah satu teknologi yang memadukan antara benda maya dan benda nyata dalam waktu yang nyata, suatu lingkungan yang nyata serta berjalan secara interaktif. Pada teknologi AR terdapat gabungan benda dalam tiga dimensi yaitu benda maya yang tergabung di dunia nyata. Augmented Reality akan memadukan antara objek yang bersifat real dan yang bersifat virtual dimungkinkan dengan teknologi tampilan yang sesuai dengan yang diinginkan, interaktivitas dimungkinkan melalui perangkat input tertentu, dan integrasi yang baik memerlukan pelacakan yang efektif. Aplikasi AR_NISSAN adalah aplikasi media periklanan secara berdiri sendiri yang dapat diakses di perangkat mobile Android tanpa memerlukan sambungan internet. Aplikasi ini ditujukan untuk konsumen, tidak menutup kemungkinan bagi siapa saja di masyarakat umum yang membutuhkan informasi tentang produk mobil Nissan. Informasi utama yang diberikan oleh brosur interaktif berbasis Augmented Reality ini hanyalah informasi dan video iklan produk mobil Nissan. Penggunaan teknologi Augmented Reality dan smartphone Android sebagai media promosi produk mobil Nissan diharapkan dapat membantu mereka melihat produk mobil Nissan secara lebih sederhana dan menarik secara lebih interaktif. Model V adalah suatu model System Development Life Cycle di mana eksekusi proses terjadi secara berurutan dalam bentuk-V. Juga dikenal sebagai model verifikasi dan alidasi. Model V adalah sebuah model extended dari model waterfall dan didasarkan pada asosiasi fase pengujian untuk setiap fase pengembangan yang sesuai dengan aplikasi yang ingin dikembangkan. Aplikasi ini dibangun menggunakan aplikasi Unity 3D yang banyak juga digunakan sebagai alat pengembangan perangkat lunak berbasis 3 dimensi atau 2 dimensi yang bersifat interaktif seperti simulasi visualisasi arsitektur, pelatihan kedokteran, aplikasi berbasis mobile, aplikasi berbasis desktop, aplikasi berbasis web, aplikasi berbasis console, dan berbagai platform lainnya

PENERAPAN MODEL ITERATIVE INCREMENTAL DALAM MEMBANGUN APLIKASI E-COMMERCE DI TOKO KOPI RARUKUH LUAS BERBASIS WEB MOBILE Yudi Irawan Chandra; Marti Riastuti; Kosdiana
Prosiding Seminar SeNTIK Vol. 7 No. 1 (2023): Prosiding SeNTIK 2023
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

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Saat ini, bisnis kopi sangat menggiurkan karena minum kopi bukan lagi kebiasaan untuk menghilangkan kantuk, tetapi sudah menjadi gaya hidup. Kedai, warung, atau tempat kopi kini menjamur di mana skala usahanya dapat bervariasi dari yang kecil, seperti warung di ujung gang dengan kursi panjang, hingga kedai dekat kampus dengan layanan wifi yang cepat atau tempat kumpul-kumpul yang ada di mall, hotel berbintang, maupun kafe di jalan utama. Untuk memberikan pelayanan yang cepat dan tepat dalam bertransaksi kepada pelanggan, sistem komputerisasi sangat diperlukan, terutama bagi toko kopi yang masih berskala kecil atau rumahan (UMKM). Rarukuh Luas sebagai salah satu toko kopi ingin membangun sistem e-commerce berbasis web agar pengguna dapat mencari, menemukan, dan membeli produk terutama kopi yang mereka inginkan, tanpa harus berkunjung ke toko. Aplikasi ini dibuat dalam bentuk website e-commerce yang dapat memberikan informasi mengenai produk kepada pelanggan dan memungkinkan mereka untuk melakukan transaksi dengan cepat melalui internet. Aplikasi yang dibuat dapat memaksimalkan pemasaran dan penjualan produk. Untuk mengembangkan aplikasi e-commerce ini, model iterative dipilih sebagai salah satu model proses pengembangan perangkat lunak (SDLC). Dalam model ini, pengembangan perangkat lunak dilakukan dalam serangkaian iterasi atau siklus yang berulang- ulang. Setiap iterasi terdiri dari fase-fase SDLC seperti analisis kebutuhan, desain, implementasi, pengujian, dan evaluasi. Model ini sangat fleksibel dan mudah diubah sesuai dengan kebutuhan bisnis dan perubahan dalam lingkungan pengembangan perangkat lunak

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