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All Journal JURNAL TEKNOLOGI DAN OPEN SOURCE Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Teknik Informatika Proceeding Applied Business and Engineering Conference Jurnal Elektronika dan Teknik Informatika Terapan Saber: Jurnal Teknik Informatika, Sains dan Ilmu Komunikasi Jurnal Informatika Polinema (JIP) Jurnal Ilmiah Sistem Informasi Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Saturnus: Jurnal Teknologi dan Sistem Informasi TANJAK : Jurnal Pengabdian Kepada Masyarakat INOVTEK Polbeng - Seri Informatika Jurnal Teknik Informatika dan Teknologi Informasi
Muhammad Asep Subandri
Politeknik Negeri Bengkalis
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Journal : INOVTEK Polbeng - Seri Informatika

 1 
Utilization of the Internet of Things for Improving Water Quality Management and Waste Efficiency in the Tofu Industry Teguh Setyawan, Reinaldi; Subandri, Muhammad Asep
INOVTEK Polbeng - Seri Informatika Vol. 9 No. 2 (2024): November
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/khhtng77

Abstract

In Bengkalis, the challenges faced by the tofu industry are related to the use of mineral-rich, yellow-colored peat water, which often disrupts the quality and consistency of the products. To address this, this research combines Internet of Things (IoT) technology with Total Dissolved Solids (TDS) and pH sensors, integrating real-time monitoring and control of water quality and waste processing efficiency. The implementation of IoT enables automatic measurement and management of water and waste conditions, adaptation to fluctuations, and enhanced waste management effectiveness. Initial results show an improvement in water quality with a 20% reduction in TDS and stabilization of pH from 6.5 to 7.4, as well as an increase in waste processing efficiency with a 30% reduction in the volume of waste disposed of. The application of this technology not only supports environmental and economic sustainability in Bengkalis but also offers significant operational cost savings and better compliance with environmental regulations. This finding is expected to encourage the adoption of similar technologies in other tofu industries in areas with similar water conditions, promoting greener and more sustainable production practices.
Implementation of AES-128 Encryption for Fingerprint Template Protection in ESP32-Based Biometric Ticketing System Subandri, Muhammad Asep; Tedyyana, Agus; Putu Mahendra, I Gusti Agung
INOVTEK Polbeng - Seri Informatika Vol. 11 No. 1 (2026): February
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/mkks1830

Abstract

Biometric ticketing systems utilizing fingerprint recognition provide enhanced security and convenience for passenger identification in public transportation. However, the transmission of fingerprint templates over wireless networks without adequate cryptographic protection exposes the system to interception attacks and privacy breaches. This research implements AES-128 encryption in Cipher Block Chaining (CBC) mode to protect fingerprint templates transmitted within an ESP32-based biometric ticketing system. The implementation leverages the ESP32’s integrated mbedTLS library with hardware acceleration to achieve efficient cryptographic operations. Experimental evaluation using 10 fingerprint template samples demonstrates a 100% success rate for encryption-decryption operations. Performance measurements indicate an average encryption latency of 2.30 ms and decryption latency of 2.10 ms, with a data size overhead of 32 bytes (6.25%) due to Initialization Vector (IV) and PKCS7 padding. The results confirm that the proposed encryption scheme effectively secures biometric data transmission while maintaining system responsiveness suitable for real-time applications.
Co-Authors Agus Tedyyana, Agus Amirul Amirul Bella Kurnia Amellia Danuri Danuri Danuri Danuri, Danuri Deo Seti Aji Depandi Enda Fajri P. Putra Fajri Profesio Putra Hamzan Wadi Herianto Herianto Jaroji Jaroji Kasmawi Muhammad Aidil Adham Muhammad Siddiq Putra, Fajri Profesio Putu Mahendra, I Gusti Agung Rahmat Fajrul Ratnawati, Fajar Ryci Rahmatil Fiska Sani, Muhammad Sofia Randa Supria Syaputra, Ardian Bayu Teguh Setyawan, Reinaldi Zhafira Khairunnisa Azra