Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other ...

You can use WhatsApp on your laptop in two ways. The first is by visiting the official website [web.whatsapp.com]. The second ...

But what if you want to read QR codes? [James Bowman] noticed a $7 module that claims to read QR codes so he decided to try one out. The module seems well thought out. There’s a camera, of course.

With 59% of consumers scanning QR codes daily, businesses must meet four key expectations.