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 ...

You can scan a QR code directly from your iPhone — you don’t need to download a third-party app to get the information you need. Apple even gives you three ways ...

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 practical, ...

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 ...

If you’ve had trouble scanning QR codes on your Android, perhaps on a wall across the room, Google’s testing a new feature with developers that could make scanning from a distance easier. If you’ve ...

As QR codes have become ubiquitous, their proliferation has given rise to new and emerging security risks. More than 80% of US-based QR code users said they think QR codes are safe, but only 37% of ...