Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

The design of QR codes also make them well suited to 3D printing ... you’ll need to swap the filament color at the appropriate layer manually. With so many variables involved, you’ll also ...

One significant change includes eliminating the QR code introduced in Windows 8 ... featured a green background color. However, Microsoft clarified that this green hue applies exclusively to ...