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 ...

Bree Fowler writes about cybersecurity and digital privacy. Before joining CNET she reported for The Associated Press and Consumer Reports. A Michigan native, she's a long-suffering Detroit sports fan ...

Sharat Potharaju is cofounder and CEO of Uniqode, whose vision is to enable digital connection with every physical object and place. QR codes drive 37% click-through rates, while email campaigns ...

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 ...