@bigheartse wrote:
I also use barcode scanner. But I never consider about the resolution problem, for the barcode reading tool can read it clearly and easily. I use this barcode scanner to read barcodes. It supports various barcode types, including rich linear barcode types and 2D barcode types, like QR Code, etc. Maybe a good barcode reader can reduce many problems.
ｙｅａｈ， ｂａｒｃｏｄｅ ｒｅａｄｅｒ ｃａｎ ｂｅ ｆｏｕｎｄ ａｎｙｗｈｅｒｅ ｆｏｒ ｉｔｓ ｃｏｎｖｅｎｉｅｎｃｅ！