QR codes, originally developed as two-dimensional matrix barcodes for rapid data acquisition, have undergone significant transformation and expansion in application. Their evolution from simple ...

Overview: The Python QRCode library is witnessing growing adoption as developers seek simple ways to generate QR codes in ...

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

PORT TOWNSEND ­ ­– The use of QR codes, matrix bar codes that hold information about a product or a store, is emerging in Port Townsend in two different venues this week. The QR — or “quick response” ...