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All Journal Jurnal Informatika dan Teknik Elektro Terapan e-Jurnal Arus Elektro Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Journal of Computer Science and Informatics Engineering (J-Cosine) Jurnal Pengabdian Magister Pendidikan IPA Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro Jurnal Abdi Insani JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Prosiding Konferensi Nasional PKM-CSR Jurnal Bakti Nusa Jurnal Pepadu JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY)
Djul Fikry Budiman, Djul Fikry
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Analisa Perbandingan Throughput Komunikasi Data 4G Di Kota Mataram Menggunakan Wireshark Budiman, Djul Fikry; Sasongko, Sudi M. Al
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 2 No. 1 (2024): Edisi Maret 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

The public's need to get high-speed internet services that can be accessed anywhere is a current need. One of the internet network services that is often accessed by the public is video streaming. The emergence of cellular providers with various advantages, each of which is a challenge in choosing a reliable provider. To find out which telecommunications provider/organizer is good for use in an area, especially in the city of Mataram, throughput values were measured using the Wireshark application. The main goal is to find out the throughput value which is a comparison of the download and upload sides. The morning measurement results using provider A had an average value of 484.76 kbps, in the afternoon it was 493.97 kbps and in the evening 401.65 kbps. Meanwhile, measurements using provider B have an average value of 1187.13 kbps in the morning, 1280.04 kbps in the afternoon and 844.46 kbps in the evening. From the calculation results obtained, it was concluded that provider B was better than provider A.
Pendekatan Regresi Linear untuk Mengkaji Pengaruh Induktansi pada Efisiensi dan Daya Keluaran Zeta Converter Wiryajati, I Ketut; Baihaki, Ahmad Riki; Budiman, Djul Fikry
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 2 No. 3 (2024): Edisi November 2024
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

Increasing security on vehicles, including electric bicycles, is an important concern to prevent criminal acts such as theft. The security system developed in this study uses a fingerprint sensor to ensure that only registered users can operate electric bicycles. By scanning and verifying fingerprints, the system ensures that only fingerprints registered in the database can start the vehicle. E-bike technology, which combines the concept of a conventional bicycle with the addition of an electric motor and battery as a driver, was chosen as the object of research. The implementation of this system involves an Arduino Uno device, fingerprint sensor, buzzer, and relay to regulate vehicle access. Arduino Uno functions as a control center that regulates the process of verifying identity and activating electric bicycles, while the buzzer acts as a sound notification tool in the system. This system is expected to be able to improve vehicle security and provide a practical solution in vehicle access based on biometric authentication.
Peramalan Permintaan Darah Menggunakan Backpropagation Neural Network di UTD PMI Kabupaten Lombok Barat | Budiman, Djul Fikry; Sasongko, Sudi Mariyanto Al; Saefurrasyid , Yusril
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 1 (2025): Edisi April 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

In recent years, it noted that the number of requests for blood from hospitals in West Lombok and Mataram exceeded the bloodstock in the PMI Blood Transfusion Unit (UTD) in West Lombok Regency. The blood requests need predicting so there is no shortage of bloodstock. The model of the Backpropagation artificial neural network method is used to estimate the number of short-term blood requests. Predictive performance is analyzed based on the accuracy value based on the Absolute Maximum Percent Error (MAPE). The use of backpropagation neural networks can help respond to emergencies faster and predict more accurately. Accuracy rate prediction results for some type of blood component are: Whole Blood Bank Blood Hospital (WB BDRS) of 22%, BDRS Packet Red Cell blood of 78%, Thrombocyte Concentrate BDRS blood of 84 %, Fresh Frozen Plasma BDRS blood of 80%, WB NON-BDRS blood of 18%, PRC NON-BDRS blood of 66%, TC NON-BDRS blood of 55%, and FFP NON-BDRS blood of 47%. Based on these results, the JST backpropagation method can be used to predict TC BDRS blood and FFP BDRS blood with a good category.
IMPLEMENTASI PURWARUPA WIRELESS SENSOR NETWORK UNTUK MONITORING DAN PENYIRAMAN OTOMATIS PADA TANAMAN MINT MENGGUNAKAN ESP32 BERBASIS IoT-LoRa AZHAR, AZHAR; Sasongko, Sudi M. Al; Budiman, Djul Fikry
Jurnal Informatika dan Teknik Elektro Terapan Vol. 12 No. 3 (2024)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v12i3.4678

Abstract

Permintaan industri terhadap produk berbahan tanaman mint begitu besar sehingga banyak masyarakat Indonesia yang mencoba menanam tanaman mint di pekarangan rumahnya. Kelembaban optimum dari tanaman mint antara 70% - 80% dan suhu 20oC - 30oC. Daun mint tidak dapat tumbuh dan berkembang dengan baik apabila pengairan tidak dilakukan dengan tepat. Untuk mengatasi masalah tersebut dibuatlah sebuah alat monitoring dan penyiraman otomatis menggunakan ESP32 berbasis IoT-LoRa. Alat yang dirancang untuk mengetahui suhu dan kelembaban tanah, serta penyiraman otomatis pada tanaman mint. Sensor yang digunakan yaitu sensor DHT22 dan soil moisture yang terhubung dengan masing-masing node sensor. Peneliti membuat alat monitoring dengan 3 node sensor dan LoRa gateway.  Sistem ini memanfaatkan perangkat monitoring, aplikasi android, dan database firebase. Akurasi yang dihasilkan dari sensor soil moisture cukup baik dengan pengujian dilakukan pada tanah basah. Nilai rata-rata kesalahan yaitu 1.525%. Selain itu, sensor DHT22 juga menunjukkan tingkat akurasi yang baik ketika diuji pada pagi, siang, dan malam hari. Rata-rata kesalahan pengukuran suhu yaitu 2.334oC dan kelembabannya yaitu 1.872%. Jangkauan komunikasi antara node sensor dan LoRa gateway setelah pengujian diperoleh jarak maksimumnya adalah 350 meter dengan nilai rata-rata RSSI sebesar -119 dBm pada area Line of Sight (LOS).
IMPLEMENTASI ROUTING STATIC MULTI HOP PADA PERANGKAT LORA Astarina, Raditia; Akbar, Lalu A. Syamsul Irfan; Budiman, Djul Fikry
Jurnal Informatika dan Teknik Elektro Terapan Vol. 12 No. 3 (2024)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v12i3.5228

Abstract

Di era digital yang semakin berkembang, teknologi Low Power Wide Area Network (LPWAN) seperti LoRa menjadi solusi utama untuk komunikasi nirkabel jarak jauh berdaya rendah. Penelitian ini mengkaji penerapan statistik routing multi-hop pada jaringan LoRa dan menganalisis pengaruh jarak antar node terhadap kinerja jaringan, seperti Packet Delivery Ratio (PDR) dan kekuatan sinyal (RSSI). Pengujian ini menggunakan metode uji coba yang telah dilakukan di jalur bypass yakni dengan menempatkan node 1 pada jarak 100 meter dari node 2 dan node 3 yang bertindak sebagai node perantara juga berada pada jarak 100 dari node 4 yang berfungsi sebagai receiver akhir. Jarak antar node kemudian diperpanjang dari 100 meter hingga 500 meter. Hasil pengukuran menunjukkan bahwa peningkatan jarak antar node dari 100 hingga 500 meter menurunkan kualitas komunikasi secara signifikan, dengan PDR turun dari 95% menjadi 45% dan error rate meningkat hingga 55%. Selain itu, jarak yang lebih jauh mempengaruhi kekuatan dan sinyal transmisi data, diperburuk oleh interferensi dan hambatan fisik. Strategi mitigasi seperti routing multi-hop dan jalur alternatif terbukti efektif dalam meningkatkan jangkauan, stabilitas, dan keberlanjutan komunikasi.
SOSIALISASI DAN PENGENALAN ROBOTIKA UNTUK PENGUATAN PEMBELAJARAN STEM DENGAN PENDEKATAN INDUKTIF DI SMP-IT Giri Wahyu Wiriasto; Misbahuddin; Iqbal, Muhamad Syamsu; Rachman, A. Sjamsjiar; Irfan A, L Ahmad Syamsul; Budiman, Djul Fikry
Jurnal Pepadu Vol 6 No 4 (2025): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i4.8869

Abstract

  Pemerintah mendorong penguatan pendidikan STEM sejak jenjang sekolah dasar untuk membekali siswa dengan literasi sains, teknologi, teknik, dan matematika. Namun, implementasi di sekolah masih menghadapi kendala, seperti keterbatasan sarana, minimnya kit robotika, serta kurangnya kesiapan guru dalam menerapkan inductive reasoning. Selain itu, waktu untuk pembelajaran berbasis proyek dan dukungan kurikulum juga masih terbatas. Kondisi ini mendorong perlunya inisiatif alternatif melalui kegiatan pengabdian masyarakat. Program ini bertujuan untuk memperkenalkan robotika sebagai media pembelajaran STEM berbasis inductive reasoning serta mendukung sekolah dalam menyiapkan kurikulum ekstrakurikuler yang relevan. Kegiatan dilaksanakan melalui sosialisasi dan workshop yang dipisahkan untuk siswa dan guru pendamping. Selain itu, disediakan kit robotika sederhana berbahan habis pakai dipadukan dengan perangkat elektronika, serta pendampingan dalam penyusunan kurikulum STEM berbasis inductive learning. Sosialisasi pengenalan robotika berhasil dilaksanakan di salah satu SMP-IT kota Mataram dan diikuti lebih dari 600 siswa kelas VII–IX. Sebanyak empat guru pendamping terlibat aktif dalam kegiatan. Kit mekanis-elektronis digunakan dalam workshop untuk menunjang praktik langsung siswa, sementara guru memperoleh wawasan baru terkait strategi pembelajaran induktif. Luaran lain berupa rancangan kurikulum STEM berbasis inductive learning yang dapat dijadikan acuan dalam kegiatan ekstrakurikuler. Program ini memperlihatkan antusiasme tinggi dari siswa dan respon positif dari pihak sekolah. Kegiatan ini memperkuat literasi STEM berbasis robotika, menumbuhkan motivasi siswa, serta memberi kontribusi nyata bagi sekolah, siswa dan guru dalam mengembangkan pembelajaran induktif di sekolah.
Sistem Pengenalan Pembicara Menggunakan HMM Dan FFT Darmawan, Budi; Budiman, Djul Fikry; Ch, Syafaruddin
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 3 (2025): Edisi November 2025
Publisher : Depertment of Electrical Engineering University of Mataram

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Abstract

This study analyzes the performance of a speaker recognition system based on Hidden Markov Models (HMM) using Fast Fourier Transform (FFT) for feature extraction. The objective of this research is to evaluate the effect of the number of FFT samples on the recognition accuracy. Experiments were conducted using speech signal test data with variations in the number of speakers ranging from 2 to 10, and variations in the number of FFT samples of 2, 4, 8, 16, 32, 64, 128, and 256 samples per state.The results indicate that the number of FFT samples significantly affects system accuracy. Using a small number of FFT samples results in low and unstable accuracy, especially as the number of speakers increases. Increasing the number of FFT samples improves both accuracy and stability of the system. The highest and most consistent performance is achieved when using 64 to 128 samples per state. Increasing the number of samples beyond this range does not lead to a significant improvement in accuracy, indicating a saturation effect. These findings demonstrate that selecting an appropriate number of FFT samples is essential for achieving optimal performance in HMM-based speaker recognition systems, with 64 to 128 samples per state recommended as the optimal configuration.    
Pengaruh Provider 4G di Game Honor of Kings terhadap Performa Pemain dalam Mode (Custom, Visual Skin, dan Ranked) Enrico Ananta Pratama; Djul Fikry Budiman; Made Sutha Yadnya
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11327

Abstract

This study aims to analyze the effect of internet service quality from three 4G providers (Telkomsel, XL, and Tri) on player performance in the Honor Of Kings game in three different modes, namely Custom, Skin Visualization, and Ranked. Measurements were made using Quality Of Service parameters such as throughput, packet loss, and delay with the help of Wireshark software and processed using statistical methods by calculating the average Quality Of Service parameters from each provider by playing the Honor Of Kings game in Custom, Skin Visualization, and Ranked modes. The average of the results showed that Telkomsel consistently recorded the best performance with the highest throughput (7.59 Kbps in custom mode, 7.27 Kbps in visual skin, and 6.84 Kbps in Ranked mode), the lowest packet loss (0.94%, 1.21%, and 1.43%), and the fastest delay (55 ms in Custom mode, 59 ms in Visual Skin, and 63 ms in Ranked mode). This study concludes that the choice of internet provider has a significant impact on the comfort and performance of playing online games, with Telkomsel as the optimal choice to support competitive and visual activities in Honor Of Kings. This finding can be a reference for players in choosing internet services that suit gameplay needs.
Co-Authors ., Sinarep A. Sjamsjiar Rachman Akbar, L. Ahmad S. Irfan Akbar, Lalu A. Syamsul Irfan Akbar, Lalu Ahmad S. Irfan Alhabsyi, Defi Andi Restu Aprialdy Budi Saputra Astarina, Raditia Azhar Azhar Baihaki, Ahmad Riki Budi Darmawan Budi Darmawan Enrico Ananta Pratama Giri Wahyu Wiriasto Hartawan, Bagi I Ketut Wiryajati Iqbal, M. Syamsu Irfan A, L Ahmad Syamsul Irfan Akbar, L. Ahmad Syamsul L. Syamsul Irfan Akbar L.A.Syamsul Irfan Akbar M. Irwan M. Irwan, M. Irwan Made Sutha Yadnya Misbahuddin Misbahuddin Misbahuddin Misbahuddin, Misbahuddin Muhamad Syamsu Iqbal Onny Setyawati Saefurrasyid , Yusril Sasongko, Sudi M. Al Sholeh Hadi Pramono Sudi M. Al Sasongko Sudi Mariyanto Al Sasongko Syafaruddin Ch Syamsi, Hans Riadhi Wicaksono, Eko Prasetyo