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
Waveshare Barcode Scanner Module Two-Dimensional Scanning Module Barcode QR Code Reader: Buy Online at Best Prices in SriLanka | Daraz.lk
DEBO BARC SCAN: Entwicklerboards - Barcode-Scanner-Modul für 1D - 2D Codes bei reichelt elektronik