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 ...

While QR code menus were introduced as a convenient, contactless solution, growing numbers of customers say they create frustration and disrupt the dining experience.

It’s hard to believe that something nefarious can lie within a QR code, but it can. QR codes have become a convenience of modern life. Just scan the black and white mosaic with your phone’s camera and ...

Speed is essential to a well-managed recall. The faster consumers are alerted and understand what to do, the faster contaminated products can be identified, returned, or discarded. That’s why QR codes ...