Source Qr code 1D 2D Barcode Scanner Module engine DYscan DE2120 on m.alibaba.com
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
Amazon.com : Embedded Fixed Mount QR Code 2D Barcode Scanner for Kisok Vending Machine : Office Products
Waveshare Barcode QR Code Computer Scanning Recognition Module Support PDF417/Data Matrix Scanner