Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...
When you scan a QR code, the QR reader in your phone’s camera deciphers the code, and the resulting information triggers an action on your phone. If the QR code holds a URL, your phone will present ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone ...