But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so he decided to try one out. The module seems well thought out. There’s a camera, of course.

Ever wonder what those weird black-and-white square codes are? Here's how to read them with an iPhone, a BlackBerry, or an Android smartphone.

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 ...

QR codes are widely used for links to websites and e-commerce payments, but many people have experienced such things as 'complex QR codes are printed small and cannot be read!'. Mr. Huon Wilson ...

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 ...

QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

The only problem is, many of those QR code-reading apps for the iPhone just don't do a good job. That prompted me to sift through more than a dozen QR code readers to find some of the best. I came ...