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Using QR Codes in the Classroom
          and Beyond

             Bethany V. Smith
   Asst. Director Learning Technologies
            College of Education
            NC State University
What is a QR Code?
Quick Response Code


                      Flickr: A.A.A.
Matrix or 2D Code
                    Flickr: Stevopia
Denso for
 Toyota
            Toyota
Where do we see
    them?




                  Flickr: Auntieo
How does it work
Smartphone +
Reader App
NeoReader
QR App
Quick Mark
QR Reader
What does scanning
  a QR code do?
URL
Download Link




                Flickr: tengtan
E-mail
Link
directly to
 an App
Import a Vcard
Dial Your
 Phone
Geo Location
How do you make a QR Code?




                        Flickr: Ennor
http://qrcode.kaywa.com/
http://www.qrhacker.com/
http://keremerkan.net/qr-code-and-
         2d-code-generator/
http://goo.gl/
The Google shortener will also
 track how often a QR code is
          scanned!
A shortened URL will give you a
   cleaner looking QR Code - the
  more letters (characters) in your
link the more "pixels" is needed in
              the code
Version 1, 21x21,          Version 10, 57x57,
10-25 alphanumeric chars   174-395 alphanumeric chars
Where can you use a QR Code?
Business Card
Tattoos
Brochures
Posters (and Poster Sessions)
Outside of offices
Books in the
  library
Handouts
Ice Breakers
Scavenger Hunt
Link to
Feedback
 Forms
Explore
Physical
Models




Twitter:@mrrobbo
Other types of Matrix Code




                         Flickr: Stevopia
High Capacity Color Barcode
Dangers of QR Codes




                      Flickr: Rhys Asplundh
You don’t REALLY
know what you are
                    Flickr: david roessli
    scanning.
Weblink to Malicious Site




                       Flickr: Rhys Asplundh
Javascript QR code



Javascript QR Code




                     Flickr: Horment
What NOT to do




          Courtesy of: http://wtfqrcodes.com/
All images in this presentation
           are licensed via




http://www.diigo.com/user/bethanyvs
          mith/pp_photo
Bethany Smith
        bethany_smith@ncsu.edu
http://transparentlearning.blogspot.com
   http://bethanyvsmith.pbwiki.com/
   http://twitter.com/bethanyvsmith

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QR Codes in the Classroom

Notas del editor

  1. A matrix code, also termed a 2D barcode or simply a 2D code, is a two-dimensional way to represent information. It is similar to a linear (1-dimensional) barcode, but can represent more data per unit area.
  2. http://www.denso-wave.com/qrcode/index-e.html
  3. UPC Barcode – only 12 digitsQR code 7,089 numerical characters4,296 alphanumeric characters
  4. https://appsec-labs.com/blog/tag/qrcode
  5. https://appsec-labs.com/blog/tag/qrcode
  6. QR codes that move are hard to scan
  7. QR codes need to be big enough to scan
  8. Like I said – QR codes that move are bad
  9. Hard to scan a QR code that is not flat