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All Journal Journal of Computer Science and Informatics Engineering (J-Cosine) Jurnal Teknologi Informasi, Komputer, dan Aplikasinya (JTIKA ) Bulletin of Computer Science Research Jurnal Begawe Teknologi Informasi
Zubaidi, Ariyan
Program Studi Teknik Informatika Fakultas Teknik Universitas Mataram
Computer Science & IT Decision Sciences, Operations Research & Management Engineering

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Sistem Monitoring Kualitas Udara di Ruangan Tertutup Berbasis IoT Menggunakan Sensor MQ-135 dan GP2Y1014AU0F Sujiarta, Ardi; Wedashwara W, I Gede Putu Wirarama; Zubaidi, Ariyan
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 7 No 2 (2023): Desember 2023
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v7i2.298

Abstract

Air quality is now decreasing, mainly in urban areas and industrial centers. Decreasing air quality can occur indoors, especially in a closed room such as a kitchen room. Conditions like this will certainly be very detrimental because it can interfere with health, disturbing comfort and can damage property. In this study, a system was made to monitor air quality, especially in closed rooms by utilizing IoT technology using MQ-135 and GP2Y1014AU0F sensors. Based on tests conducted in the kitchen room, when cooking the gas status was in the medium category and the dust status was in the good category, whereas after cooking the gas and dust status were in the good category. Then in the warehouse room, the gas status is in the medium category and the dust status is in the unhealthy category. Based on the test results, the system built has been running well and is possible to be implemented.
Implementasi GNU Privacy Guard (GPG) Hybrid Encryption untuk Meningkatkan Keamanan Informasi pada Layanan Electronic Signature (E-Sign) Universitas Mataram Mardiansyah, Ahmad Zafrullah; Zubaidi, Ariyan; Jatmika, Andy Hidayat; Huwae, Raphael Bianco
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 8 No 1 (2024): Juni 2024
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v8i1.593

Abstract

Electronic signatures have been widely used for administrative purposes since 2020, especially when activities from home are a priority. University of Mataram is one of the state universities that provides electronic signature facilities (E-Sign) for its academic community. The ease of using E-Sign has its own obstacles, one of which is in terms of security protection. Protection in the information security system has a role to take preventive action if the worst scenario occurs to the information system, such as unauthorized access by hackers. Naturally, each signature has been given information related to several things, namely who signed, when it was signed, information for signature purposes, and hash values that can be used to ensure the integrity of the data from the signature. When unauthorized access occurs, hackers can create an identity using the identity of a particular person. This makes E-Sign validation difficult and potentially misused. In this study, a scheme for securing user identity is proposed using GNU Privacy Guard (GPG) to encrypt E-Sign data. The encryption process is carried out with two layers of public-private key cryptography combined with the PGP Key Server.
SMART HOME BERBASIS KENDALI SUARA MENGGUNAKAN GOOGLE AIY VOICE KIT DAN RELAY MODULE Kurniawan, Muhammad Adriyanto; Wirawan, I Gde Putu Wirarama Wedaswhara; Zubaidi, Ariyan
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 6 No 2 (2024): September 2024
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v6i2.362

Abstract

Pada zaman ini dimana teknologi sudah berkembang pesat dimana memudahkan manusia dalam aktivitas mereka dalam kehidupan sehari – hari. Dimana pada umumnya perangkat – perangkat elektronik di rumah seperti lampu dan kipas angin dalam pengoperasiannya masih menggunakan saklar manual. Lokasi dari masing-masing saklar itu sendiri berbeda-beda di setiap ruangan tergantung dari fungsi dari setiap saklar tersebut. Dengan banyaknya jumlah saklar yang ada, terkadang membuat proses menjadi kurang efisien karena pengguna diharuskan menekan saklar secara langsung yang terdapat pada masing- masing ruangan tempat saklar berada. Karena masalah tersebut maka dibuatkan solusi berupa perancangan sistem berupa smart home yang mengendalikan alat elektronik di rumah berupa lampu dan kipas angin dengan memanfaatkan fitur speech recognition perangkat Google AIY Voice Kit guna memudahkan pengguna dalam mengendalikan perangkat listrik tanpa harus menekan saklar dan dapat dilakukan di satu tempat. Hal yang sudah dijelaskan diatas telah dilakukan pengujian dimana jarak semakin dekat jarak antara pengguna dengan Google AIY Voice Kit maka perangkat akan semakin berhasil dalam menerima perintah suara pengguna dibandingkan jarak yang lebih jauh. Selain itu pada keadaan tanpa noise Google AIY Voice Kit lebih mudah dalam menerima perintah suara dikarenakan perintah suara yang diucapkan jelas, dibandingkan pada keadaan noise. Sehingga didapatkan persentase keberhasilan untuk jarak kondisi noise sebesar 41,6%, tanpa noise 75%. Pada kondisi tanpa noise sebesar 100%, dan kondisi noise sebesar 33,3%.
RANCANG BANGUN PENDETEKSI SERANGAN DEAUTHENTICATION PADA JARINGAN WIFI BERBASIS ESP8266 Nurbayazi, Muhamad; Mardiansyah, Ahmad Zafrullah; Zubaidi, Ariyan
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 6 No 2 (2024): September 2024
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In the modern era that is so tied to the internet, network security is important because the internet is basicallyinsecure. To connect to an internet network, you can use a wireless network that uses an access point to transmitsignals from WiFi. By using WiFi, users can enjoy communication at home, in the office or while traveling withouthaving to bother using cables, but there are drawbacks to this benefit. Because wifi communications occur over the air, they can be intercepted easily. A relatively easy attack on a WiFi network is a deauthentication attack. Adeauthentication attack is an attack that occurs because too many deauthentication messages are sent. Thisdeauthentication message can be sent by the user's device or access point to notify the receiving device that theircommunications should be terminated. Apart from causing communication disruption between connected devices, deauthentication attacks are also the beginning of other follow-up attacks, one of which is the evil twin attack. To prevent further attacks, a deauthentication attack detection tool is needed so that by detecting deauthentication attacks, users or admins can take preventive and security measures against the WiFi network. This research aims to improve network security, especially WiFi networks, by designing and building a tool that detects and provides warnings when deauthentication attacks occur in the form of visual and audio warnings to WiFi users, both users and admins, by utilizing buzzers and LEDs as well as notifications via the Telegram application so that they can Minimize the occurrence of deauthentication attacks on ESP8266 NodeMCU based WiFi networks. Based on tool testing on 10 access point samples, the tool's percentage of success in detecting deauthentication attacks is 100%
Implementasi Cloud Computing Pada Aplikasi Pantau Jalanku Menggunakan Google Cloud Platform Salsabila, Syifa; Afwani, Royana; Zubaidi, Ariyan
Bulletin of Computer Science Research Vol. 5 No. 1 (2024): December 2024
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v5i1.439

Abstract

?Cloud computing technology is a computing service with many advantages over conventional systems. Cloud Computing is the right solution because access is easy and fast, and can be accessed anywhere using the internet, one of the Cloud Computing services is GCP (Google Cloud Computing) provided by Google. Cloud computing is implemented in the Pantau Jalanku application. Pantau Jalanku is a pothole damage reporting application created using Android so it requires accurate damage detection and location at an easy cost, so the implementation of Google Cloud Computing includes the use of the AI Platform, Maps Platform, and billing. The aim of implementing cloud computing is to replace hardware or servers in the application backend which allows data in the application to run in real time without requiring a physical device. This research produces accurate accuracy for detecting potholes, as well as the location where road damage occurs. This research discusses how to use Cloud Computing by utilizing Google Cloud so that the need for physical devices such as servers is no longer needed so that it can save costs for creating and operating applications..
The Development of Academic Information System at SMP Negeri 6 Mataram: PENGEMBANGAN SISTEM INFORMASI AKADEMIK DI SMP NEGERI 6 MATARAM Zubaidi, Ariyan; Latifah, Nur Izza; Usmiatiningsih, Ellysabeth; Wijayanto, Heri
Jurnal Begawe Teknologi Informasi (JBegaTI) Vol. 6 No. 1 (2025): JBegaTI
Publisher : Program Studi Teknik Informatika, Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbegati.v6i1.1199

Abstract

Pengelolaan data akademik yang masih dilakukan secara manual di SMP Negeri 6 Mataram menyebabkan berbagai permasalahan, seperti keterlambatan dalam akses informasi, ketidakakuratan data, dan inefisiensi dalam administrasi sekolah. Untuk mengatasi permasalahan ini, pada kegiatan pengabdian kepada Masyarakat ini, dikembangkan Sistem Informasi Akademik berbasis web menggunakan framework Laravel dan database MySQL. Sistem ini dirancang untuk mempermudah pengelolaan data siswa, guru, jadwal pelajaran, serta nilai akademik secara lebih terstruktur dan efisien. Metode pengembangan yang digunakan adalah Waterfall, yang mencakup tahap analisis kebutuhan, perancangan sistem, implementasi, pengujian, dan pemeliharaan. Pengujian dilakukan menggunakan Black Box Testing, yang menunjukkan bahwa semua fitur berfungsi dengan baik. Selain itu, evaluasi kepuasan pengguna melalui survei menunjukkan bahwa sistem ini meningkatkan efisiensi administrasi akademik, mempercepat akses informasi, serta mengurangi tingkat kesalahan dalam pencatatan data.
RANCANG BANGUN SISTEM MONITORING PROSES PEMBUATAN KOMPOS DARI SAMPAH RUMAH TANGGA BERBASIS INTERNET OF THINGS (IoT) Diharja, Sasmita Prawira; Arimbawa, I Wayan Agus; Zubaidi, Ariyan
JTIKA (Jurnal Teknik Informatika, Komputer dan Aplikasinya) Vol 7 No 1 (2025): Maret 2025
Publisher : Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jtika.v7i1.388

Abstract

Household waste is one of the largest contributors to environmental waste, reaching 39.63% of the total 19.45 million tonnes of waste produced in Indonesia in 2022 from National Waste Management Information System (SIPSN) data. Waste is a very serious environmental problem that continues to be faced by the government and society. The waste produced every year increases along with the increase in population. Making compost from household organic waste is one solution at the household level to reduce the impact of waste and provide organic fertilizer for plants. However, the main problem is the lack of waste processing and public awareness. As an alternative solution, the use of the Internet of Things (IoT) can be utilized. This research utilizes the NodeMCU ESP8266 and DHT11, MQ4 sensors and incandescent lamps to monitor and control the compost making process. Through integration with the Telegram bot, this system allows users to monitor and manage the process remotely, which in turn contributes to reducing waste, environmental pollution and providing organic fertilizer. In this study, the results obtained during the 15 day compost making process had an average temperature of 40.63, humidity 67%, and methane gas produced was less than 700 ppm. The odor produced during composting smells earthy and fragrant, has a brownish black color, and has a crumbly texture, softens easily, and experiences weight loss. From the characteristics above, it can be interpreted that the compost made has good quality.
INSTALASI IRIGASI TETES BERTENAGA SURYA PADA PERTANIAN LAHAN KERING DESA GUMANTAR KABUPATEN LOMBOK UTARA: Solar-Powered Drip Irrigation Installation On Dryland Farms In Gumantar Village, North Lombok District Zubaidi, Ariyan; Wedashwara, Wirarama; Jatmika, Andy Hidayat; Mardiansyah, Ahmad Zafrullah; Wijayanto, Heri
Jurnal Begawe Teknologi Informasi (JBegaTI) Vol. 5 No. 2 (2024): JBegaTI
Publisher : Program Studi Teknik Informatika, Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbegati.v5i2.1271

Abstract

Desa Gumantar, yang terletak di Kabupaten Lombok Utara, menghadapi tantangan besar dalam sektor pertanian karena kondisi lahan yang kering dan cuaca panas ekstrem. Rendahnya curah hujan dan distribusi air yang terbatas mengakibatkan kesulitan dalam pengelolaan sumber daya air, yang berdampak negatif pada produktivitas pertanian. Untuk mengatasi permasalahan ini, teknologi irigasi hemat air seperti sistem irigasi tetes sangat diperlukan untuk memaksimalkan penggunaan air secara efisien. Selain itu, pemanfaatan tenaga surya sebagai sumber energi alternatif dapat mendukung keberlanjutan pertanian dengan mengurangi ketergantungan pada bahan bakar fosil. Dalam kegiatan pengabdian masyarakat ini, dilakukan instalasi sistem irigasi tetes yang digerakkan oleh tenaga surya pada lahan pertanian di Desa Gumantar. Sistem ini menggunakan panel surya untuk menggerakkan pompa air yang menyalurkan air melalui pipa langsung ke akar tanaman. Hasil implementasi menunjukkan pengurangan biaya operasional yang signifikan, khususnya dalam pengeluaran solar, serta peningkatan produktivitas tanaman tomat dan cabai. Teknologi ini tidak hanya meningkatkan efisiensi penyiraman tetapi juga memberikan pengetahuan dan keterampilan baru kepada petani mengenai teknologi irigasi berkelanjutan yang ramah lingkungan dan efisien.
Training on Solar-Powered Drip Irrigation Installation for Youth and Farmers in Gumantar Village, North Lombok Regency: PELATIHAN INSTALASI IRIGASI TETES BERTENAGA SURYA BAGI PEMUDA DAN PETANI DI DESA GUMANTAR KABUPATEN LOMBOK UTARA Zubaidi, Ariyan; Wirawan, I Gde Putu Wirarama Wedashwara; Jatmika, Andy Hidayat; Mardiansyah, Ahmad Zafrullah; Wijayanto, Heri; Praseba, Diki
Jurnal Begawe Teknologi Informasi (JBegaTI) Vol. 6 No. 2 (2025): JBegaTI
Publisher : Program Studi Teknik Informatika, Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbegati.v6i2.1460

Abstract

Kawasan pertanian di Dusun Amor-Amor, Desa Gumantar, Kabupaten Lombok Utara, menghadapi tantangan serius berupa keterbatasan sumber daya air akibat kondisi lahan kering dengan struktur tanah berpasir. Permasalahan ini berdampak pada produktivitas pertanian yang bergantung pada ketersediaan irigasi. Sebagai solusi, diterapkan teknologi irigasi tetes bertenaga surya yang dinilai hemat energi, efisien dalam penggunaan air, serta ramah lingkungan. Untuk mendukung adopsi teknologi ini secara berkelanjutan, tim pengabdian dari Universitas Mataram melaksanakan program pelatihan bagi petani dan pemuda setempat. Pelatihan dirancang melalui tahapan pengenalan komponen, penyampaian teori, demonstrasi instalasi, praktik lapangan, hingga latihan pengoperasian dan pemeliharaan sistem. Peserta dibagi dalam kelompok kecil untuk memastikan keterlibatan aktif, dengan bimbingan langsung dari dosen dan mahasiswa. Evaluasi dilakukan melalui kuesioner terhadap sepuluh peserta, yang menunjukkan tingkat kepuasan tinggi dengan skor rata-rata di atas 4,0 dari skala 5. Peserta menyatakan pelatihan membantu pemahaman, meningkatkan wawasan, serta menumbuhkan kepercayaan diri untuk menginstalasi dan mengoperasikan sistem secara mandiri. Hasil ini membuktikan bahwa pelatihan instalasi irigasi tetes bertenaga surya tidak hanya efektif dalam meningkatkan kapasitas teknis, tetapi juga berpotensi memperkuat ketahanan pertanian lokal secara efisien dan berkelanjutan.
Development of an Integrated Lecturer Workload Monitoring Information System Using the Prototype Model: PENGEMBANGAN SISTEM INFORMASI PEMANTAUAN BEBAN KERJA DOSEN TERINTEGRASI BERBASIS PROTOTIPE Irfan, Pahrul; Wijaya, I Gede Pasek Suta; Akhyar, Halil; Zubaidi, Ariyan; Zafrullah, Ahmad
Jurnal Begawe Teknologi Informasi (JBegaTI) Vol. 6 No. 2 (2025): JBegaTI
Publisher : Program Studi Teknik Informatika, Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbegati.v6i2.1463

Abstract

Pemantauan beban penugasan dosen di Program Studi Teknik Informatika, Fakultas Teknik, Universitas Mataram masih dilakukan secara manual dan terpisah. Kondisi ini menyulitkan proses pemantauan serta berpotensi menimbulkan ketidakseimbangan distribusi tugas akademik maupun non-akademik. Untuk mengatasi permasalahan tersebut, dilaksanakan kegiatan pengabdian berupa pengembangan sistem informasi terintegrasi menggunakan metode prototipe, yang meliputi tahapan analisis kebutuhan, perancangan, pengembangan, pengujian, dan implementasi awal. Hasil pengujian menunjukkan sistem berfungsi sesuai spesifikasi berdasarkan Blackbox Testing, sedangkan uji System Usability Scale (SUS) terhadap delapan responden memperoleh skor rata-rata 84,06 yang termasuk kategori Excellent. Temuan ini membuktikan bahwa sistem mudah digunakan, diterima pengguna, dan mendukung efektivitas pemantauan beban kerja dosen. Dengan adanya sistem ini, Program Studi dapat memantau distribusi tugas secara lebih menyeluruh, adil, dan efisien. Selain itu, sistem berpotensi dikembangkan lebih lanjut agar dapat diterapkan tidak hanya di Program Studi Teknik Informatika, tetapi juga pada program studi lain dalam rangka meningkatkan kualitas manajemen beban kerja dosen di lingkungan perguruan tinggi.
Co-Authors Afwani, Royana Akhyar, Halil Albar, Moh. Ali Anggraini, Mustika Diharja, Sasmita Prawira Ellysabeth Usmiatiningsih Heri Wijayanto Huwae, Raphael Bianco I Gede Pasek Suta Wijaya I Wayan Agus Arimbawa, I Wayan Agus Jatmika, Andy Hidayat Kurniawan, Muhammad Adriyanto Latifah, Nur Izza M., Ahmad Zafrullah Mardiansyah, Ahmad Zafrullah Nurbayazi, Muhamad Pahrul Irfan Praseba, Diki Rahman, Lalu Fathir Ayodya Salsabila, Syifa Sujiarta, Ardi Wedashwara W, I Gede Putu Wirarama Wedashwara, Wirarama Wirawan, I Gde Putu Wirarama Wedashwara Wirawan, I Gde Putu Wirarama Wedaswhara Zafrullah, Ahmad