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 ...

Google is changing the way you confirm if contacts are legit. The company has begun rolling out a QR code to verify that the person you're communicating with is, in fact, who they say they are, ...