Amazon.com: Waveshare Barcode Scanner Module 1D/2D Codes Reader with USB and UART Interface : Electronics
1D 2D Codes Reader QR and Barcode Scanner Module with UART and USB Int — KKSB Cases
Barcode Scanner Module 1d/2d Codes Barcode, Qr Code Reader Onboard Micro Usb And Uart Serial Port Directly Plugged Into Computer - Demo Board - AliExpress
GM65 1D 2D Code Scanner BarCode Reader QR Code Reader Module 5V DC
Barcode Reader/Scanner Module - CCD Camera - USB Interface : ID 1203 : $69.95 : Adafruit Industries, Unique & fun DIY electronics and kits