Smart Attendance System Using RFID card in Raspberry Pi 4, attendance system with RFID and RPi4, RFID Rpi4, Rpi4 RFID, Smart attendance project with Raspberry pi 4 Greetings! This is the complete project of our Raspberry Pi 4 tutorials. In our previous tutorial, we learned to set up our raspberry pi as a virtual private network server. In this tutorial, we will design a smart attendance system using an RFID card reader, which we will use to sign in students i ...