Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

The sign on the post at the pizza joint in Detroit had just one word on it, "Dog," and a QR code. My first reaction − and unfortunately this is how it goes when you write a little too much about fraud ...

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 ...

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, ...

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 ...

Speed is essential to a well-managed recall. The faster consumers are alerted and understand what to do, the faster contaminated products can be ...

Windows 11 now allows you to display the connected Wi-Fi password with a QR code, which other devices can scan to connect to the same Wi-Fi network. With the Windows 11 24H2 update, Microsoft also ...