QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

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 ...

If you find it inconvenient to share your Android phone’s hotspot details manually, you can create a QR code that others can scan from their devices to connect to your hotspot. It's easier than you ...

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 ...