GitHub - sparkfun/SparkFun_DE2120_Arduino_Library: Arduino library for controlling the DE2120 2D Barcode Scanner over serial
Amazon.com : Barcode Scanner Module, 1D/2D Codes Reader Decode Barcode, QR Code etc Onboard Micro USB and UART Interface Plug into a Computer Directly or Other Device Onboard Light Source can Work
BarCode Scanner with Arduino - YouTube
Connect Barcode Scanner to Arduino DUE - Project Guidance - Arduino Forum
QR barcode scanner for Arduino: Use QR barcode scanner with Arduino