CONNECTING WITH QR CODESMarsha McDevitt-Stredney

Katrina Miday

State Library of Ohio

What are QR Codes?

Quick Response Code Also called

Graphical tag 2D Barcode Matrix Code

Developed by Denso Wave in 1994 to help track inventory

What makes them different?

Uses only length Height is for scanning

convenience Read by a laser Stores 30 ASCII characters

Stores data vertically and horizontally

Read by image scanner Stores up to 7,089

characters

1D Barcode 2D Barcode

What can it store?

QR Code Data Capacity

Numbers Max 7,089 characters

Alphanumeric (0-9 & A-Z) Max 4,296 characters

Binary [8 bits] Max 2,953 bytes

Kanji, full-width kana Max 1,817 characters

How is data stored?

Quiet ZoneFormat InformationVersion InformationData & Error Correction Key

Required Patterns: Position Detection Patterns Alignment Timing

What can it do?

Open a website Dial a phone number Post a tweet Schedule a calendar event Share a contact card Open a map Launch mobile apps More!

How are they scanned?

Usually with mobile phones Launch your barcode reader

Some phones come with software Other users will need to download an app

Scan the code with your camera Enjoy the content

There are QR Code websites that can translate the barcode via image as well.

Creating a Code

Creating a Code

Creating a Code

Creating a Code

Creating a Code

Creating a Code

Creating a Code

and more…

Size

Things to consider

Size

Things to consider

Version (density)

Version 1 Version 5 Version 40

Error Correction

Error correction is the amount of the barcode that can be missing and it still work.

7% 15% 25% 30%

Where will it be displayed?

QR Codes can provide great metrics

Where people are scanning the code Which locations are effective Which campaign/poster/signs are or are not

working When they are scanning the code

QR Codes can provide great metrics

Some generators provide metrics for a fee OR

Use custom landing pages OR Some URL shorteners let you create and

track Bit.ly goo.gl

Create your QR Code

Test your code!

Scan your printed code Try several readers Try several phones Test all major OS’s Test in different lighting

How can they be used?

Link to Video

Ask a Librarian Anytime, Anywhere

Explain QR Codes

Scavenger Hunt

Link to mobile website

Link to Forms

Author Talk

Mobile Catalog

Book Trailer

Links to Lists

Links to Searches

Txt message

How can they be changed?

Shorter URL

Select by color

GIMP: Open Source Image Editing Software

Fill selection with new color

Magic wand to select color

Select by color

Fill with image

http://oedb.org/blogs/ilibrarian/wp-content/uploads/qr_codes.jpg

http://guides.boisestate.edu/content.php?pid=141622&sid=1552856

http://blogaboutmurphy.blogspot.com/2010/10/qr-codes-and-library.html

http://www.lib.lsu.edu/

www.youtube.com/watch?v=GtXS0WyqN8s

Robin M. Ashford's photostream

http://und.edu/news/2011/08/qr-quest.cfm

http://www.systemid.com/qrcode/#.TptNWuywUdh

http://marksprague.wordpress.com/understanding-qr-codes

http://www.systemid.com/qrcode/#.TptNWuywUdh

http://qrcodematrix.com/

http://www.qrdresscode.com/article-weevo-le-qr-code-design-italie-82733375.htmlhttp://www.warriorforum.com/offline-marketing-discussions/445419-best-qr-code-generator.html

Image credits