IN RECENT MONTHS you may have noticed the appearance of small black-and-white symbols on advertisements in magazines and newspapers. The little icons are part of the latest marketing craze to hit ...
Web-based QR code scanners are another handy option for scanning codes with a laptop camera. Just visit a website that ...
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 ...
Learn how to identify fake QR codes and avoid scams. Spot QR code red flags before scanning and stay safe with these practical tips Learning how to identify fake QR codes from legitimate ones isn’t ...
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