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 ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. The simple answer, and the one most often provided in online ...

You request a QR code. The server generates it. You wait. That round‑trip latency matters when you are embedding codes in a ...

Make a QR code in Chrome, Adobe, ChatGPT Plus or one of the other options detailed. QR codes let people access information with a smartphone; instead of typing a URL, you point your smartphone camera ...

Benjamin Claeys is CEO of QR TIGER, MENU TIGER, and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. From fun trivia quizzes to large QR codes on retail displays that ...

You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business card. That pixelated code, shaped in a square, is called a QR ...