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) ...

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 have become ubiquitous short cuts for everything from account log-ins to restaurant menus, but are we at risk of ...

Quick Response (QR) codes need to be better used with a clear strategy in mind, and not be used for the sake of doing so. Badly implemented QR code campaigns may erode consumer interest, and this may ...

Uniqode reports QR Codes are expected to top 102.6M U.S. users this year.