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 ...

Scan QR codes faster with these tips. Image: D. Griffin Jones/Cult of Mac You can scan a QR code directly from your iPhone — you don’t need to download a third ...

QR codes were born in a Japanese factory in 1994 and inspired by a popular board game. Here's the story of how they went from the production line to everywhere.

Uh yeah, we get so many emails, Facebook messages on social media and so on. I love reading all of your questions to me, especially when you send them by video. As I get to see you. Our loyal viewer, ...

QR codes containing all the information of the dairy and a unique alphanumeric identification code are placed by law on every wheel of Parmigiano-Reggiano cheese (Photo by David Silverman/Getty Images ...

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 ...