QR codes. For many of us, they’re synonymous with a) the pandemic, b) the ongoing lack of actual menus in bars and restaurants, and c) the fact that the world is now just that little bit more tiresome ...

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) ...

Spread the loveIn a groundbreaking development, researchers at the Vienna University of Technology have created the world’s smallest QR code, a marvel of micro-engineering that is smaller than a ...

As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number ...

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 ...