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Perancangan dan Simulasi Sistem Absensi Mahasiswa Berbasis Mikrokontroler RFID dan NodeMCU ESP8266 Junindo Abdillah; Iswidodo Iswidodo; Zainal Arifin
Radial : Jurnal Ilmiah Sains dan Rekayasa Vol. 1 No. 2 (2023): September
Publisher : Fakultas Teknik - Universitas Bung Karno

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62024/radial.v1i2.9

Abstract

The attendance system or attendance recording is a separate problem in terms of practicality, especially if the attendance process is still done manually. One of the technological advancements is the Radio Frequency Identification (RFID) system. The RFID system is widely used as a security system device. This tool is designed by combining microcontroller work with RFID technology in a system. Data in the form of a unique code from an RFID tag is used as student data. Apart from being used as a media attendance device, RFID is added to its function as an automatic classroom access open device so that when students take attendance, the classroom door lock opens too which makes it easier for students and the campus. And also this tool is combined with the ESP-32 CAM camera module which is modified so that it can read a QR code containing student data in the form of numbers, even though the code reading speed is not as fast as a scanner but it can still function the same this will make it even easier when students take attendance when you forget to bring your attendance card.
Indonesia Rancang Bangun Sistem Pemantauan Distribusi Sembako Tanggap Bencana Berbasis Sensor Sidik Jari dan Komunikasi Nirkabel NRF24L01: - Junindo Abdillah; Gipin Mosliano; Nandika Vadya Pratama
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2036

Abstract

The distribution of food aid during disaster situations often faces challenges related to monitoring and accurate recipient verification. This study aims to design and implement a food distribution monitoring system based on a fingerprint sensor and NRF24L01 wireless communication module. The system consists of a transmitter unit equipped with a fingerprint sensor for recipient verification and a receiver unit that displays data on an LCD and uploads it to Google Sheets via an internet connection. The research method involves hardware and software design followed by communication performance testing under Line of Sight (LOS) and Non-Line of Sight (NLOS) conditions. The evaluation parameters include transmission distance and data delivery success rate. The results show that the system can reliably transmit data up to 15 meters under LOS conditions and 10 meters under NLOS conditions, with significant performance degradation beyond these distances due to physical obstacles. The proposed system demonstrates potential as a low-cost and practical solution for wireless-based disaster aid distribution monitoring.