Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

The method you'll need to scan a document on a Mac depends on what kind of scanner you have. Here's how to set up nearly any scanner on a Mac.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone. It ...

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