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All Journal Jurnal Technopreneur (JTech) ILKOM Jurnal Ilmiah TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat Abdiformatika: Jurnal Pengabdian Masyarakat Informatika Journal of Technology Research in Information System and Engineering Bulletin of Social Informatics Theory and Application Jurnal Informatika dan Teknik Elektro Energy: Jurnal Ilmiah Ilmu-ilmu Teknik
Citra Suardi
PSDKU Informatika, Universitas Ciputra Surabaya
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Low-Cost Fabrication of a Rear-Projection Display Assembly Using Consumer-Grade Components for Pseudo-Holographic Applications Kasmir Syariati; Citra Suardi; Reinaldo Lewis Lordianto; Andrey Hartawan Suwardi; Muhammad Aditya Ridwan; Enrico Kevin Ariantho; Javin Erasmus Clementino
ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK Vol. 15 No. 2 (2025): ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK (July-November 2025 Edition)
Publisher : Universitas Panca Marga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v15i2.15202

Abstract

Rear-projection surfaces are integral to pseudo-holographic and immersive display systems, yet commercial solutions often demand expensive materials and precision hardware. This paper presents the design, fabrication, and preliminary evaluation of a low-cost rear-projection display assembly constructed from consumer-grade components. A transparent rear-projection film of unknown specification was mounted onto a custom 3D-printed frame and affixed to a flat acrylic sheet to form a projection screen. Assembly relied on readily available materials and hobbyist fabrication techniques. Qualitative projection tests using a standard classroom projector demonstrate that the DIY screen produces clear images with wide viewing angles in dark environments, suitable for pseudo-holographic effects. Under moderate ambient light, the image remains visible with slight contrast loss and minimal hot-spotting. The entire assembly was built at a fraction of the cost of commercial rear-projection screens. These results suggest that the proposed workflow can enable affordable, functional rear-projection displays for educational demonstrations, prototyping, and artistic installations without specialized equipment.
Implementation of Static Code Analysis to Detect Vulnerabilities in Applications Developed with the Assistance of Large-Language Models (LLM) Arnold Nasir; Kasmir Syariati; Citra Suardi; David Sundoro; Juan Salao Biantong; Reinaldo Lewis Lordianto
ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK Vol. 15 No. 2 (2025): ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK (July-November 2025 Edition)
Publisher : Universitas Panca Marga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v15i2.15210

Abstract

The emergence of large language models (LLMs), such as ChatGPT and GitHub Copilot, has transformed software development, including in higher education. Students can now easily create PHP code for Laravel web applications. This research implements static code analysis with PHPStan to detect security vulnerabilities in student-developed PHP code that is likely assisted by LLMs. The analysis was performed on the full code of 28 capstone projects, focusing on student projects that demonstrated patterns consistent with heavy LLM output use. The results show that 64.16% of LLM-assisted code often neglects data sanitization, uses raw queries without parameterization, and contains vulnerable authentication logic. This study contributes to web application security literacy for students and recommends static analysis as a pedagogical and preventive tool.
PENERAPAN METODE EXACT MATCH PADA APLIKASI ALQUR’AN DAN HADITS BERBASIS ANDROID Suardi, Citra; Wibawa, Aji Prasetya; Hasanuddin, Tasrif; Mude, Muhammad Aliyazid; Cokrowibowo, Sugiarto
ILKOM Jurnal Ilmiah Vol 11, No 3 (2019)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v11i3.438.184-190

Abstract

Exact Match is used to bring up sentences only on certain keywords. This study aims to apply the Exact Match method in the Al-qur'an and Hadith applications to find conformity between verses and hadiths. This research simplify for the people to increase their knowledge of the Qur'an and Hadith. This study uses interview techniques for some Muslims regarding the need to learn the quran and the hadith, observation technique is to do a comparison of several hadiths by asking for recommendations from the ustadz/ustazah, identify what are the shortcomings of existing hadith applications, and literature study techniques that are collecting data obtained from the Qur'an and the Hadith. The results of this study are (1) Created an application to match Hadiths that are in accordance the verse with the Exact Match method (2) Showing hadith related to the contents of the selected verse (3) Speed to produce a match in the Application of the Qur'an and Hadith depends on the internet network and the amount of data (4) The number of hadiths that appear is influenced by the number of available hadiths.
Co-Authors Aji Prasetya Wibawa Alief Muhammad Alvin Yuga Pramana Andrey Hartawan Suwardi Apryadi Dwi Putra Tangalayuk Arnold Nasir Chandrawan, Maria Angelica Christina Chandra, Nova Christina Chandra, Novi Dani Hari Tunggal Prasetiyo David Sundoro Enrico Kevin Ariantho Fanilam Putri, Elma Franklin Jaya Hartawan Abdillah Hasanuddin, Tasrif Javin Erasmus Clementino Juan Salao Biantong Kasmir Syariati Kasmir Syariati Kasmir Syariati Lewis, Reinaldo Linda Kurnia Lordianto, Reinaldo Lewis Mas, Ahmad Baihaqi Muh. Aliyazid Mude Muhammad Aditya Ridwan Prasetya , Antonius Indra Dharma Reinaldo Lewis Reinaldo Lewis Lordianto Reinaldo Lewis Lordianto Reinaldo Lewis Lordianto Sugiarto Cokrowibowo Tamam Asrori Tanamal, Edgar Tjandinegara, Tiffany Tony Antonio