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 ...

Many of you reading this have undoubtedly seen a QR (Quick Response) code by now (the thing pictured to the right), but there's just as much -- if not more -- confusion surrounding them today as there ...

Dynamic QR codes, when applied thoughtfully, offer a direct path to clearer communication and more confident customer ...

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Chennai: Despite reports of micro merchants forsaking QR-code based digital transactions in some cities, UPI QR PoS terminals more than doubled in the first half of the year, growing from 321.38 ...