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All Journal Bulletin of Electrical Engineering and Informatics Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer SENTIA 2016 Journal of Applied Smart Electrical Network and System (JASENS) Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat Jurnal ELTEK Asian Journal Science and Engineering Kohesi: Jurnal Sains dan Teknologi Jurnal Pengabdian Kepada Masyarakat Journal of Evrimata: Engineering and Physics
Indrazno Siradjuddin
Politeknik Negeri Malang
Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Other

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An Infrared Emitter Driver Circuit of SAT for MILES Application Indrazno Siradjuddin; Wahyu Aulia Nurwicaksana; Septyana Riskitasari; Gillang Al Azhar; Arief Rahman Hidayat; Rendi Pambudi Wicaksono
Journal of Evrímata: Engineering and Physics Vol. 02 No. 02, 2024
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.v2i02.64

Abstract

This paper presents the design and simulation of an infrared emitter driver circuit for the MILES (Multiple Integrated Laser Engagement System) application. The circuit aims to efficiently drive a high-power IR emitter, maximizing output power while maintaining compatibility with low-power embedded systems (e.g., ESP32). Key design considerations include the selection of an appropriate IR diode emitter, driver circuit topology (utilizing a push-pull amplifier and low-side MOSFET driver for fast switching), pulse shaping techniques to optimize rise and fall times, and thermal management strategies. Simulation results demonstrate the effectiveness of the proposed design in achieving high power output (4.5W) with fast switching speeds and minimal ringing, suitable for MILES applications requiring precise and rapid IR LED control.
Ensuring Data Integrity in Healthcare Records through Hybrid Storage and Blockchain-Backed Audit Trails Azmiansyah Azmiansyah; Yan Watequlis Syaifudin; Cahya Rahmad; Josafat Pratama Susilo; Triana Fatmawati; Yuri Ariyanto; Pramana Yoga Saputra; Indrazno Siradjuddin; Chandrasena Setiadi
Journal of Evrímata: Engineering and Physics Vol. 04 No. 01, 2026
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.vi.140

Abstract

Ensuring the integrity and auditability of Electronic Health Records (EHRs) is critical for patient safety, regulatory compliance, and trust in digital healthcare. Conventional audit mechanisms such as database logs, are inherently mutable and vulnerable to insider tampering, failing to meet stringent requirements for tamper-proof, independently verifiable data provenance. To address this, this paper proposes and implements a hybrid EHR integrity system that combines PostgreSQL for sensitive clinical data storage with a private Hyperledger Fabric blockchain for immutable audit logging. Only lightweight metadata and SHA-256 hashes of records (not full EHRs) are written to the blockchain, preserving privacy while enabling cryptographic verification. Deployed on modest, heterogeneous hardware and featuring a user-friendly web interface with batched audit workflows, the system achieves 100% tamper detection accuracy, 210 ms average write latency, and 45 TPS throughput that demonstrates feasibility for real-world, resource-constrained clinical environments. Our approach delivers strong, scalable data integrity without prohibitive overhead, bridging the gap between regulatory demands and practical healthcare IT deployment.
Co-Authors Abdul Syukor Mohamad Jaya Abrihan Bachtiar Samudra Adhisuwignjo, Supriatna Agus Pracoyo Ahmad Fahmi Ahmad Farih Qolyubie Rosief Alfiandi Aulia Rahmadani Anang Lubis, Mohammad Agustinus Saputra Anggit Murdani Arief Rahman Hidayat Arta Ainur Rofiq Arwin Datumaya Wahyudi Sumari Azmiansyah Azmiansyah Bambang Priyadi Beauty Anggraheny Ikawanty Bristha Breneztavani Cahya Rahmad Chandra Andreas Setyo Wibisono Chandrasena Setiadi Dewatama, Denda Edi Sulistio Budi Ekananda Sulistyo Putra Erfan Rohadi Erni Yudaningtyas Fadhil Abdullah Fanisa Izzati Fasha Rafi Islamey Fatan Wirawan Ferdy Hanan Pradana Firmanda Gies Algiffari Fitri Fuad Dzaky Rizaldy Gilang Al Azhar Gillang Al Azhar Gillang Al Azhar Gillang Al Azhar Gisela Ririh Handika Dwi Cahyono Hari Kurnia Safitri Hein Htet Herwandi Herwandi I Made Wirawan Ifrin Sandra Asti Ilham Agung Wicaksono Ivan Fadhila Josafat Pratama Susilo Kiki Satria Putra Komarudin Achmad Lucky Nindya Palupi M. Fahmi Khusnu Awaludin Mahfud Jiono Marizan Sulaiman Mila Fauziyah Mila Fauziyah Muhammad Afif Ala'uddin Muhammad Fattah Al Fattika Muhammad Khairuddin Mukhamad Luqman Muttaqin Faizin Nandaru Ramadhan Nanik hendrawati, Nanik Naufal Nurdinasetyo Nobuo Funabiki Nourma Ahada Arivantoro Patma, Tundung Subali PERMATASARI, DINDA AYU Pramana Yoga Saputra Prayitno Prayitno Ramadhan Kurniawan Ratna Ika Putri Rendi Pambudi Wicaksono Rifa'i, Muhamad Riza Lukmana Putra Rizky Ramadhan Ronilaya, Ferdian salies Apriliyant Salsabila Karina Kholiqin Sapto Wibowo Sapto Wibowo Septian Dimas Rochmanda Septian Dimas Rochmanda SEPTYANA RISKITASARI Septyana Riskitasari Setiawan, Budhy Sidik Nurcahyo Sulistio, Andhika Sungkono Sungkono Sungkono Sungkono Syamsiana, Ika Noer Teddy Hero Prasetyo Triana Fatmawati Wahyu Aulia Nurwicaksana Wahyu Aulia Nurwicaksana Winarno, Totok Yan Watequlis Syaifudin Yohana, Puspa Ayu Yohana Yudi Utomo Yuri Ariyanto Zahruddin Arif S Zakiyah Amalia zulfikar abror