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All Journal Jurnal Ilmiah Teknologi dan Rekayasa ELECTRANS INVOTEC Jurnal ULTIMA Computing Journal of Digital Learning and Education SNTE
Siscka Elvyanti, Siscka
Program Studi Pendidikan Teknik Elektro FPTK Universitas Pendidikan Indonesia
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Other

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MODUL VIRTUAL: MULTIMEDIA FLIPBOOK DASAR TEKNIK DIGITAL Sugianto, Dony; Abdullah, Ade Gafar; Elvyanti, Siscka; Muladi, Yuda
INVOTEC Vol 9, No 2 (2013)
Publisher : Faculty of Technological and Vocational Education-Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/invotec.v9i2.4860

Abstract

Perkembangan teknologi informasi dan komunikasi, berpengaruh juga terhadap kemaj uan i novasi media pembel aj aran. Makal ah i ni mengekspl orasi hasi l perencanaan, pembuatan dan implementasi modul virtual pembelajaran dasar teknik digital. Tujuannya adalah untuk menguji validitas produk sehingga memenuhi kelayakan sebagai media pembelajaran. Prosedur penelitian dilakukan melalui langkah-langkah penelitian pengembangan, dengan metode evaluatif. Hasi l penelitian membukti kan bahwa modul virtual i ni memi l i ki tampil an yang menari k, mudah di pahami dan mudah digunakan. Di harapkan hasi l pengembangan modul virtual i ni berdampak terhadap peni ngkatan penguasaan peserta didi k dal am mempelaj ari dasar tekni k digital.
PENGEMBANGAN BAHAN AJAR TIK SMP MENGACU PADA PEMBELAJARAN BERBASIS PROYEK Aisyi, Fauziyah Kariem; Elvyanti, Siscka; Gunawan, Tjetje; Mulyana, Elih
INVOTEC Vol 9, No 2 (2013)
Publisher : Faculty of Technological and Vocational Education-Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/invotec.v9i2.4861

Abstract

Makalah ini memaparkan hasil penelitian pengembangan bahan ajar pelajaran TIK SMP yang bercirikan pembelajaran berbasis proyek. Tujuan penelitian ini untuk melakukan validasi kelayakan bahan ajar ditinjau dari aspek substansi dan buku sebagai media pembelajaran. Metode digunakan adalah metode information repackaging, yakni mengumpulkan bahan-bahan dari buku­buku teks yang sudah ada dengan memperhati kan standar kompetensi dan kompetensi dasar pada si l abus. Pada pengembangannya, buku teks menggunakan karakteri sti k pembelajaran berbasis proyek. Diharapkan kegiatan pembelajaran dapat berorientasi pada peserta didik, fokus pada pemecahan masal ah, menyel esai kan tugas-tugas otenti k dan menghasi l kan produk pada akhi r kegiatan pembelajaran. H asi l penelitian menyi mpul kan bahwa isi materi buku ajar sesuai dengan kuri kul um tingkat satuan pendidi kan, karakteristi k pembelajaran berbasis proyek, dan mudah dipahami siswa meski membutuhkan pemahaman ekstra.
OPTIMASI PENGGUNAAN MEMBERSHIP FUNCTION LOGIKA FUZZY PADA KASUS IDENTIFIKASI KUALITAS MINYAK TRANSFORMATOR Boy Fechera; Jaja Kustija; Siscka Elvyanti
ELECTRANS Vol 11, No 2 (2012): Volume 11, Nomor 2, Tahun 2012
Publisher : Universitas Pendidikan Indonesia

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

Abstract

Identifikasi kualitas minyak transformator menjadi prosedur baku yang harus dilakukan dalam proses pemeliharaan. Untuk mempermudah identifikasi, maka diperlukan metode perancangan  identifikasi kualitas minyak transformator menggunakan metode logika fuzzy. faktor mendasar yang harus terpenuhi adalah penskalaan dari input-output, aturan dasar kendali fuzzy dan tipe membership function yang digunakan. Ada beberapa tipe membership function pada pengendali logika fuzzy yang terdapat di toolbox matlab. Pada penelitian ini penulis akan menggunakan tiga buah indikator input sebagai standar kelayakan kondisi minyak transformator dimana input data pada penelitian ini mengacu kepada standar ASTM D 1500 dan standar SPLN 49-1 : 1982. Pada penelitian ini data input akan dibuat menjadi tiga jenis simulasi dengan menggunakan dua buah tipe membership function. Dari hasil penelitian mendapatkan kesimpulan bahwa membership function tipe triangular memberikan hasil yang lebih baik dari pada membership function tipe Trapezoidal dan membership function gabungan antara triangular dan Trapezoidal.
One-Phase Smart Switch using OpenCV Hand Gesture Recognition Fauzan, Mochamad Rizal; Khairi, Saiqa Fatur; Kaniarudi, Neneng Puspita; Ath Thahirah Al Azhima, Silmi; Arief Hakim, Nurul Fahmi; Kustiawan, Iwan; Al Qibtya, Mariya; Elvyanti, Siscka
Ultima Computing : Jurnal Sistem Komputer Vol 16 No 1 (2024): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v16i1.3633

Abstract

The need for simplicity in various activities encourages further technological development. One of them is a system to turn lights on and off with just a hand gesture. This hand gesture-based One-phase smart switch uses OpenCV, Arduino Nano, relays, and webcam cameras to recognize hand gestures. Static finger movements are used as buttons to turn on the lights. The results show that the algorithm used has high reliability with a precision score of 0.90, sensitivity of 0.90, accuracy of 0.96, and F1-score of 0.90. The accuracy of the system is affected by light intensity, distance, and hand tilt angle. At a light intensity of 70 LUX, the accuracy reaches 100%, while at 40 LUX the accuracy ranges from 98-99%. A distance of 30-60 cm gave the best accuracy of 100%, but decreased at longer distances. A hand tilt of 0° gives 100% accuracy, while at an angle of 60° the accuracy drops significantly, especially for the fifth finger with 64% accuracy. The average response time of the light to finger movement is 0.133 seconds. This device can recognize a variety of finger patterns well, thus meeting the desired needs.
Development of E-module Internet of Things (IoT) Antares by PT. Telkom Indonesia Based on Science, Technology, Engineering, and Mathematics (STEM) for Vocational High School Students Fadil, Muhammad Anwar; Mukhidin, Mukhidin; Elvyanti, Siscka
Journal of Digital Learning and Education Vol. 3 No. 3 (2023): DECEMBER
Publisher : MO.RI Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52562/jdle.v3i3.815

Abstract

This research is motivated by a needs analysis among teachers and students at SMK Negeri 4 Bandung. From the distribution of a needs analysis questionnaire in the class XII TOI-1, it was found that 85% of students expressed a strong need for a STEM-based IoT e-module, with a high level of agreement on its development. Similarly, it was revealed that teachers also strongly require a STEM-based IoT e-module, with 95% agreeing on its necessity. To develop the STEM-based IoT E-module, Flip Pdf Professional application was utilized. The aim of this research and development was to describe the process of developing the E-module and to understand the responses of teachers and students to the e-module. The research method employed was R&D (Research and Development) using the ADDIE model, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. The result of this research was the successful development of a STEM-based IoT e-module through the ADDIE development model. The feedback from teachers reached 95.63%, falling into the "Very Good" category, and the feedback from students was 81.38%, also considered "Very Good." It was concluded that the use of the e-module facilitated easier understanding of the material and made the learning activities more engaging.
DESIGN OF A TELEGRAM-INTEGRATED GRAFANA NETWORK MONITORING SYSTEM FOR ENHANCED FAULT DETECTION AND REAL-TIME NOTIFICATION Hakim, Nurul Fahmi Arief; Elvyanti, Siscka; Ardiansyah, Yogi
Jurnal Ilmiah Teknologi dan Rekayasa Vol 30, No 1 (2025)
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/tr.2025.v30i1.14058

Abstract

Network device monitoring has problems such as connectivity loss between routers. Network technicians are required to monitor all network devices at all times. This article aims to discuss the results of the network device monitoring system in Building A FPTK UPI using Grafana integrated with Telegram as an effort to monitor and repair problematic network devices. The method used is simulation using network software that is adjusted to actual conditions. Grafana and Prometheus are used in creating a device monitoring system. Prometheus works to retrieve data from the SNMP (Simple Network Management Protocol) and process the data using an exporter. Grafana can create visualizations on the network device monitoring system from the data that has been processed. This study uses a simulation method on PNETLab and VMware software. Based on the results obtained, the Grafana dashboard display can display the traffic interface on the router. The dashboard displayed is when ether 2 connected to the north 2nd floor router experiences interference which causes the north 2nd floor router to not get internet network access so that a warning appears in the form of a notification message R_LT2_UTARA | Down from DSTIbot via Telegram. The repair effort for the problem was carried out by connecting ether 3 from the middle 1st floor router to the north 2nd floor router so that the north 2nd floor router still gets internet network access. The repair displays the message notification R_LT2_UTARA | Up from DSTIbot via Telegram.
One-Phase Smart Switch using OpenCV Hand Gesture Recognition Fauzan, Mochamad Rizal; Khairi, Saiqa Fatur; Kaniarudi, Neneng Puspita; Ath Thahirah Al Azhima, Silmi; Arief Hakim, Nurul Fahmi; Kustiawan, Iwan; Al Qibtya, Mariya; Elvyanti, Siscka
ULTIMA Computing Vol 16 No 1 (2024): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v16i1.3633

Abstract

The need for simplicity in various activities encourages further technological development. One of them is a system to turn lights on and off with just a hand gesture. This hand gesture-based One-phase smart switch uses OpenCV, Arduino Nano, relays, and webcam cameras to recognize hand gestures. Static finger movements are used as buttons to turn on the lights. The results show that the algorithm used has high reliability with a precision score of 0.90, sensitivity of 0.90, accuracy of 0.96, and F1-score of 0.90. The accuracy of the system is affected by light intensity, distance, and hand tilt angle. At a light intensity of 70 LUX, the accuracy reaches 100%, while at 40 LUX the accuracy ranges from 98-99%. A distance of 30-60 cm gave the best accuracy of 100%, but decreased at longer distances. A hand tilt of 0° gives 100% accuracy, while at an angle of 60° the accuracy drops significantly, especially for the fifth finger with 64% accuracy. The average response time of the light to finger movement is 0.133 seconds. This device can recognize a variety of finger patterns well, thus meeting the desired needs.
Steganografi Citra Digital Menggunakan Pendekatan Least Significant Bit dan Discrete Cosine Transform Imanudin, Rizkia Fahmi Noviansyah; Kustiawan, Iwan; Elvyanti, Siscka
Seminar Nasional Teknik Elektro Vol. 3 No. 1 (2023): SNTE II
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

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

Abstract

Keamanan siber adalah salah satu aset terpenting yang harus dijaga selama proses transmisi data melalui Internet. Salah satu strategi untuk melindungi informasi penting adalah steganografi yang merupakan teknik penyembunyian informasi ke dalam multimedia seperti teks, audio, gambar digital, dan video. Penelitian ini bertujuan untuk mengimplementasikan metode steganografi pada file citra digital menggunakan skema Least Significant Bit (LSB) dan Discrete Cosine Transform (DCT). Parameter uji kinerja yang diukur adalah Peak Signal-to-Noise Ratio (PSNR), ketahanan terhadap kompresi, dan transparansi file yang disisipkan pesan dengan menghitung Mean Opinion Score (MOS). Kami menggunakan pendekatan water fall dalam penelitian ini. Hasil penelitian menunjukkan bahwa nilai PSNR dengan metode LSB mendapatkan hasil yang lebih baik dibandingkan dengan metode LSB lainnya. Sedangkan dari segi ketahanan terhadap kompresi, file citra digital memiliki ketahanan terhadap kompresi karena pesan yang diekstrak dalam file tidak mengalami perubahan. Berdasarkan pengolahan data MOS, metode LSB mengungguli persepsi pengguna dibanding metode lainnya. Hal ini diakibatkan karena metode DCT menghasilkan sedikit distorsi pada citra digital yang berpengaruh pada kejernihan dari berkas.
Co-Authors Ade Gafar Abdullah, Ade Gafar Aisyi, Fauziyah Kariem Al Qibtya, Mariya Ardiansyah, Yogi Ath Thahirah Al Azhima, Silmi Boy Fechera Elih Mulyana, Elih Fadil, Muhammad Anwar Fauzan, Mochamad Rizal Imanudin, Rizkia Fahmi Noviansyah Iwan Kustiawan Jaja Kustija Kaniarudi, Neneng Puspita Khairi, Saiqa Fatur Mukhidin - Nurul Fahmi Arief Hakim Sugianto, Dony Tjetje Gunawan Yuda Muladi, Yuda