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) ...

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

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

Consumers are more aware than ever of how their information is gathered and used. Thus, brands need a more transparent ...

What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...

QR codes are a fully-immersed part of life in 2024. But they got their start 30 years ago in 1994 in Japanese Toyota factories. “They used them as just a quick way to sense, you know, what, what was ...

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 ...

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 ...