Skip to main content

Web 2.0 tools you can use : QR Codes

This guide will feature an overview of some of our favourite Web 2 tools and how you can use them in your studies

Interesting Facts

A music video of The Pet Shop Boys for their song Integral includes many references to QR Codes throughout

The QR code system was invented  by Toyota's subsidiary, Denso Wave. Its purpose was to track vehicles during manufacture: 1994

QR codes have been used and printed on Chinese train tickets since 2010

The Royal Dutch Mint issued the world's first official coin with a QR code to celebrate the centenary of its current building and premises: 2011 

A Japanese stonemason announced plans to engrave QR codes on gravestones, allowing visitors to view information about the deceased: 2008

QR Codes can hold up to 7,089 characters compared to the typical barcode that can hold a maximum of 20 digits

In 2012, the QR Code won a prize in the Media for Industry category of the Good Design Award*

The act of linking from physical world objects to your mobile device is termed hardlinking or object hyperlinking

Further reading ...

About QR-Codes

History of QR Codes - history (and future!) of QR codes

2D-Code - a useful blog keeping you up to date with 2D barcodes

Denso Wave - the original creators of the 2D barcode

MC2 - the mobile codes consortium

Wikipedia - a wiki article about QR Codes

Google's ZXing Project - a Google Android application for decoding barcodes

Barcode Generator - QR Codes, Data matrix, Aztec, MaxiCode among others

What are QR Codes?

QR Codes bring mobile device users onto the Internet quickly and efficiently. QR Codes can be used to store web addresses, MP3 files, telephone numbers and email addresses.

Users with a mobile device equipped with a QR reader application can scan the image of the QR code to display text or contact information to connect to a wireless network, or to open a web page. 

QR codes may appear in magazines and books, on signs, on buses, on posters, on business cards and t-shirts to name a few.

QR code stands for Quick Response Code.

Types of QR Codes

Model 1 and Model 2: original QR Code

micro QR Code: smaller codes

iQR Code: rectangular

LogoQ: uses colors instead of the traditional black and white and allows a picture to be embedded in it. Also, a type of

SQRC Code with reading restrictions: used for privacy protection

Image qr codes

Creating QR Codes

Use any of the QR code generators available on the Internet to create your own QR codes to create a link to a website, email addresses or other information

Search Google as follows:

google search for qr code generator

QR Codes in the Unisa Library

Access the Unisa Library Mobile Catalogue (AirPAC) by scanning the following QR code:

qr code for mobile catalogue

The Library purchased the following book to use QR codes wa spurchased by the Library. QR codes appear on every page to open contextual video, sound, maps, blogs, chat, etc. on your mobile device. Reading this book is an enriched and interactive experience:

image: link to book reference in catalogue

Scanning QR Codes

Any mobile device with QR reader software and a camera can scan the image of a QR code.

Download a QR code reader from your app store: