Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

Google's Quick Share QR codes can get around privacy settings or device detection issues by establishing a direct connection. Both devices must have Bluetooth and Wi-Fi enabled, and the receiving ...

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 ...

THEY SEEM TO BE JUST ABOUT EVERYWHERE. QR CODES OR QUICK RESPONSE CODES ARE SMALL BARCODES THAT WHEN YOU SCAN THEM WITH YOUR PHONE, TAKE YOU JUST ABOUT ANYWHERE. LIKE THIS RANDOM YOUTUBE VIDEO OF ME ...