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 ...

Used creatively, this technology can expand the ways you reach customers. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...

On a weekend morning in Hanoi’s Tuong Mai ward, vegetable seller Hoa, a 15-year veteran of the wet market, now closes sales with a single beep.

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 ...

India's traditional kirana stores are rapidly integrating into the formal economy as the country's digital payments infrastructure deepens ...

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