How much data can a QR code store, and how does it work? QR codes encode numeric, alphanumeric, byte/binary data, and Kanji characters. They can store up to 2953 bytes of data. But just like any ...

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 ...

QR scanners function by capturing an image of the QR code and processing it using an algorithm that deciphers the stored ...

Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.