In-Depth: What is RFID? How It Works? Interface RC522 with Arduino
Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics
BarCode Scanner Interfacing with Arduino + USB Host Shield Module + 16x2 LCD Display - YouTube