What is a QR code? A guide to the barcode's basics, why you're seeing it everywhere, and how to scan one

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...
Hackaday

Color Can Triple QR Code Capacity

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...
WTKR

Is that QR code safe? What to check for before scanning

NORFOLK, Va. - Quick Response (QR) codes are everywhere these days because they're an easy, contactless way to read a menu or download an app. While square barcodes can be convenient, they can also be ...
Forbes

Maximizing QR Code Engagement: Common Mistakes And How To Avoid Them

Sharat Potharaju is cofounder and CEO of Uniqode, whose vision is to enable digital connection with every physical object and place. QR codes drive 37% click-through rates, while email campaigns ...