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All Journal Jurnal Teknik Informatika (JUTIF) Journal of Embedded Systems, Security and Intelligent Systems Journal of Security, Computer, Information, Embedded, Network and Intelligence System Jurnal Sipakatau Jurnal MediaTIK
Fitriyanty Dwi Lestary
Universitas Hasanuddin
Humanities Computer Science & IT Economics, Econometrics & Finance Education Engineering Social Sciences Other

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Prototype Sistem Monitoring Pendeteksi dan Penyaringan Udara pada Ruangan Berbasis Internet of Things (IoT) Muhammad Fajar B; Fitriyanty Dwi Lestary; Akmal Hidayat; Della Fadhilatunisa; Azzahra Eka
Jurnal MediaTIK Volume 6 Issue 2, Mei (2023)
Publisher : Jurusan Teknik Informatika dan Komputer

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Abstract

Penelitian ini bertujuan untuk mengembangkan sebuah sistem pemantauan kualitas udara dalam ruangan menggunakan sensor MQ-2 dan MQ-135. Sistem ini dirancang dengan menggunakan Arduino Uno sebagai mikrokontroler, dan dilengkapi dengan LCD dan modul WiFi untuk mengirimkan data ke aplikasi. Data yang dikumpulkan meliputi kadar asap, kadar gas, suhu, dan kelembaban. Hasil penelitian menunjukkan bahwa alat dan sistem yang dibangun mampu memberikan hasil yang sesuai dengan yang diharapkan sehingga jika terdapat kondisi ruangan yang berubah secara tiba-tiba, maka dengan adanya aplikasi yang dapat memonitoring keadaan kondisi udara secara realtime, dapat dilakukan penanganan yang lebih cepat untuk menjamin agar kondisi udara dalam suatu ruangan tetap aman dan nyaman. Dengan sistem ini, diharapkan dapat memberikan informasi yang akurat mengenai kualitas udara dalam ruangan sehingga dapat meningkatkan kesadaran masyarakat akan pentingnya menjaga kualitas udara dalam ruangan.
A Hybrid Framework for Plagiarism Detection: Integrating Token-Based Similarity with Density-Based Clustering Fajar B, Muhammad; Lestary, Fitriyanty Dwi; Surianto, Dewi Fatmarani
Journal of Embedded Systems, Security and Intelligent Systems Vol 6, No 1 (2025): March 2025
Publisher : Program Studi Teknik Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/jessi.v6i1.7664

Abstract

Plagiarism detection in academic assignments remains a critical challenge in maintaining academic integrity in higher education. This study proposes an automated method to detect content similarity between student assignment documents by combining Jaccard Similarity and DBSCAN (Density-Based Spatial Clustering of Applications with Noise) algorithms. The process begins with the collection of student assignment files in digital format, followed by text extraction to form a set-based representation of each document. Jaccard Similarity is then used to compute the degree of similarity between every document pair, and the resulting similarity matrix is transformed into a distance matrix as input for DBSCAN. Experiments conducted on 23 documents yielded 253 unique document pairs. The results demonstrate that the method successfully identified pairs with high similarity scores—such as 0.9114 and 0.7226—which were visually confirmed through a heatmap and effectively grouped into clusters by DBSCAN. Parameter settings of eps = 0.3 and min_samples = 1 proved optimal for distinguishing original documents from those exhibiting substantial content overlap. This approach is not only accurate and efficient, but also eliminates the need for predefined cluster numbers, making it suitable for deployment in automated plagiarism detection systems for academic texts.
Aplikasi Portal Destinasi Pariwisata Sulawesi Selatan Berbasis Mobile Alfiani; Muhammad Fajar B; Fitriyanty Dwi Lestary
Jurnal MediaTIK Volume 6 Issue 3, September (2023)
Publisher : Jurusan Teknik Informatika dan Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/mediatik.v6i3.2266

Abstract

Penelitian ini membahas pembuatan aplikasi portal berbagai destinasi wisata di provinsi Sulawesi Selatan yang bertujuan mempermudah wisatawan dalam mengakses informasi mengenai tempat wisata. Aplikasi ini memberikan informasi tentang berbagai destinasi wisata, makanan khas, dan sejarah di setiap Kabupaten di Sulawesi Selatan. Penelitian ini mengikuti langkah-langkah pengembangan perangkat lunak berbasis prototyping, termasuk penentuan kebutuhan sistem, perancangan sistem, pembuatan prototype, pengumpulan data, dan uji coba sistem. Dalam tahap penentuan kebutuhan sistem, kebutuhan fungsional dan non fungsional diidentifikasi, termasuk tampilan dashboard, kemampuan pencarian, informasi produk, dan sistem pembayaran yang dapat diakses oleh pengguna dan admin. Metode pengumpulan data kualitatif digunakan untuk analisis kebutuhan data. Perancangan sistem melibatkan use case diagram, activity diagram, class diagram, dan sequence diagram untuk menggambarkan cara kerja aplikasi. Antarmuka aplikasi juga dirancang dengan tampilan yang user-friendly. Hasil rancangan sistem mencakup halaman login, halaman register (sign-up), halaman beranda, halaman pilihan, dan halaman informasi. Uji coba sistem dilakukan dengan aplikasi Android Studio untuk memastikan fitur-fitur berfungsi dengan baik. Aplikasi yang dibangun memberikan informasi komprehensif tentang destinasi wisata di Sulawesi Selatan dan memiliki antarmuka yang mudah digunakan. Dengan demikian, aplikasi ini dapat memudahkan wisatawan dalam merencanakan perjalanan mereka ke daerah tersebut.
AUTOMATIC FISHPOND IRRIGATION DOOR CONTROL SYSTEM BASED ON ATMEGA16 MICROCONTROLLER AND SMS GATEWAY B, Muhammad Fajar; Lestary, Fitriyanty Dwi; M. Miftach Fakhri; Muhammad Agung; Surianto, Dewi Fatmarani; Akmal Hidayat
Jurnal Teknik Informatika (Jutif) Vol. 4 No. 5 (2023): JUTIF Volume 4, Number 5, October 2023
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2023.4.5.669

Abstract

The process of controlling irrigation doors in fishponds is still mostly done manually, this results in the performance of farmers being less effective and efficient. Current technological developments, especially in the field of IoT, can be used to design a simulation that is able to control irrigation gates automatically. Based on the results of the tests that have been carried out, it can be concluded that the ATmega16-based automatic irrigation gate simulation tool can work well according to the designed working principle. If the condition of fishpond water is less than the ideal height of the fishpond and the condition of river water is more than the height of the fishpond, the motor will move to "open" the irrigation door to fill fishpond water. If the fishpond water condition is more than the ideal height and the river water condition is less than the fishpond height, the motor will move to "open" the irrigation door to discharge fishpond water and if the river water condition is the same as the fishpond water condition, the motor will move "close” the irrigation door so that the ideal height of the fishpond can be achieved. There are certain conditions to control the door manually using the SMS Gateway. Information about the maximum or minimum fishpond water level will be displayed on the LCD to determine the maximum or minimum fishpond height using Keypad.
UNM MOBILE: A Campus Profile and Information Application of Universitas Negeri Makassar Nurhidayatullah, Muhammad; Nabilah, Ersya; Paradifa, Tania; Lestary, Fitriyanty Dwi
Journal of Security, Computer, Information, Embedded, Network, and Intelligence System Vol. 3, No. 2 (December 2025)
Publisher : PT. Lontara Digitech Indonesia

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Abstract

UNM Mobile is an Android-based application that provides integrated access to the official profile and information of Universitas Negeri Makassar (UNM). It was developed to simplify information access for the academic community and the public. This study aims to design the application as an effective and user-friendly campus information platform using the agile development method. Key features include the university profile, news, academic calendar, class schedules, and other digital services. Testing results show that the application meets user needs in terms of accessibility and information completeness. UNM Mobile supports the digitalization and efficiency of information dissemination within UNM.
TravelLog Application: A Structured Mobile Travel Documentation Solution Utilizing Firebase Realtime Database Syamsuddin, Maulida Hamida; Nugraha, Adnan; Shodiq, Naufal Fajar; Lestary, Fitriyanty Dwi
Journal of Security, Computer, Information, Embedded, Network, and Intelligence System Vol. 3, No. 2 (December 2025)
Publisher : PT. Lontara Digitech Indonesia

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Abstract

The TravelLog application was developed to address the need for structured travel documentation, utilizing Firebase Realtime Database for instant data synchronization. This study aimed to create a mobile application enabling users to log travel details, manage destination wishlists, and access records easily through search and filter features. Employing the Agile methodology, the development process was conducted iteratively, emphasizing intuitive UI/UX design and Black Box testing to ensure functionality. The results demonstrate that TravelLog effectively overcomes the limitations of conventional documentation methods, such as physical notes or unorganized photo galleries, providing an integrated, efficient, and user-friendly solution.
Enhancing Public Speaking, Data Analysis, and Digital Financial Management Skills in the Society 5.0 Era Fajar B, Muhammad; Lestary, Fitriyanty Dwi; Ananda, Sukma Riski; Mapparenta, Muwaffiq Nurimansyah; Surianto, Dewi Fatmawati
Jurnal Sipakatau: Inovasi Pengabdian Masyarakat Volume 3 Issue 1 December 2025: Jurnal Sipakatau
Publisher : PT. Lontara Digitech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/jsipakatau.v3i1.2556

Abstract

This community service program aims to strengthen the readiness of high school students in facing higher education challenges through capacity building on public speaking, data analysis, and digital financial management. The transition toward Society 5.0 demands students to possess strong communication skills, data literacy, and the ability to manage digital-based finance responsibly. The training was conducted through interactive lectures, hands-on practices, simulations, and mentoring sessions involving high school students. Results show an increase in students’ confidence in public speaking, improvement in basic data-analysis skills using digital tools, and better understanding of digital financial planning. This training has succeeded in providing practical knowledge and strengthening students’ readiness to continue to the university level. Future programs are expected to expand similar training to broader schools and integrate more advanced modules.
Co-Authors Akmal Hidayat Akmal Hidayat Alfiani Alfiani Alfiani Ananda, Sukma Riski Azzahra Eka Della Fadhilatunisa Dewi Fatmarani Surianto M. Miftach Fakhri Mapparenta, Muwaffiq Nurimansyah Muhammad agung Muhammad Fajar B Nabilah, Ersya Nugraha, Adnan Nurhidayatullah, Muhammad Paradifa, Tania Shodiq, Naufal Fajar Surianto, Dewi Fatmawati Syamsuddin, Maulida Hamida