RFID-BASED ABSENCE INFORMATION SYSTEM USING WHATSAPP NOTIFICATION AT MA MA'ARIF NU 06 PASIR SAKTI
Keywords:
RFID , NodeMCU, ESP8266, Attendance system, WhatsApp, FlaskAbstract
The manual attendance system at MA Ma'arif NU 06 Pasir Sakti has several weaknesses, such as being susceptible to interference, difficult to monitor in real-time, and recording only at the beginning does not guarantee that students attend all class hours. This prevents parents from getting accurate information and reduces the effectiveness of monitoring children's attendance. This study aims to design a Radio Frequency Identification (RFID)-based attendance system that automatically records student attendance at each class change, and integrates it with WhatsApp to provide real-time notifications to parents or guardians. This study uses a prototype approach. The hardware used in this system includes a NodeMCU ESP8266 microcontroller and an RC522 RFID card reader module. Meanwhile, the supporting software includes Arduino IDE, Flask (python) for the backend server, MySQL for the basic data management system, and Node.js with the Baileys library to build the WhatsApp notification sending feature. The system test results show that RFID card reading has an accuracy rate of 100% at an optimal distance of 0 cm to 4 cm. The system's performance was also highly responsive, with an average data recording time of 24.08 ms. Furthermore, the system successfully sent attendance notifications to WhatsApp numbers automatically, with a 100% success rate and a timeframe of approximately 3.9 seconds. Thus, the implementation of this digital attendance system can effectively minimize absenteeism, increase the efficiency and transparency of data collection, and strengthen parental involvement in supporting student discipline.
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