Did you ever watch Star Wars and wondered how people understood what R2D2 was saying? Maybe [Luke Skywalker] would enjoy learning to decode QR Codes by hand, too. While it might not be very practical, ...

Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so he ...

With a little casual hexadecimal memorization and pattern recognition skill, you can become a QR code-reading machine — no pesky computer required! The black and white boxes represent binary 1s and 0s ...

Sometimes, we try to capture a QR code with a good digital camera on a smartphone, but the reading eventually fails. This usually happens when the QR code itself is of poor image quality, or if it has ...

Benjamin Claeys is CEO of QR TIGER, MENU TIGER, and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. We’re in a time when the business landscape constantly shifts into ...

You’ve almost certainly used QR codes before—it’s when you point your phone’s camera at a square barcode to access a menu, a form, or even an app, and then tap on the link that appears. But while most ...

A study by the University of Barcelona and the Universitat Oberta de Catalunya presents a mathematical solution to make it easier to read these two-dimensional codes on deformed surfaces, such as ...