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 ...

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 ...

QR codes can be very handy, allowing you to quickly pull up information about parking payment systems, details about gifts you've been sent, and even menus at restaurants you visit. But they also have ...

QR codes skyrocketed in popularity during the touch-free days of the COVID-19 pandemic, and now they’re everywhere. From menus to forms and posters– who doesn’t like these scannable shortcuts to ...

QR codes that were once seen as a convenient shortcut for checking menus or paying bills have increasingly been turned into weapons. Fake delivery texts, counterfeit payment links and malicious codes ...

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 ...