Barcodes have been a staple of commerce since the first UPC barcode was scanned ... and workers had to orient the scanner or the product the right way to get a scan. 2D barcodes, on the other ...

If you sell products to your customers, many of the items probably already have UPC barcodes you scan when ringing up sales. However, you can use barcodes on products or items for other purposes ...

A better way to operate QRCode in Swift, support iOS, macOS, watchOS, tvOS, and/or visionOS.