So how does this $25 DIY laser scanner measure up? Great, to be honest. Check out the video below to see how well his scanner works, and be sure to take a look through his second writeup (Google ...

But what if the QR code is on your phone screen? Fortunately, you can scan a QR code on your phone without needing a second device. Here's how to do it. Google Lens offers a quick and easy way to ...