QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

Today’s README file topic concerns QR codes on the Windows Phone platform. We examine different techniques of scanning and generating QR codes, as well as a tricky browser method you can use to create ...

If you’ve been reading Hackaday for awhile, you’ll know we’re big fans of OpenSCAD around these parts. There’s a number of reasons it’s a tool we often reach for, but certainly one of the most ...

Nearby Share lets you share text, links, or files with nearby devices. It uses Bluetooth to scan for nearby devices, meaning sometimes devices won’t be picked up or may be hard to find. As a fallback, ...

A startup called Lisnr wants to replace NFC and QR codes with a new technology that sends data over audio — a communication protocol it’s calling Smart Tone. The technology it’s invented can be used ...