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QR Codes: How they work

QR=Quick Response

1. Download QR-Code reader on your mobile device.

2. Use your device's camera to scan the QR Code

3. Your code is read like a barcode

4. Info read may be URL to web site or message

What they do:

  • Access web site
  • Send email
  • Add phone contact
  • Make a phone call
  • Navigate Google Maps to location
  • Conduct web search
  • Virtual tour
  • Read menu
  • Get more text than shown on display
  • Send a text message
  • Make a PayPal payment
  • Watch video
  • Go to iTunes




Bar Codes vs. QR Codes

  • Barcode hold maximum 20 characters
  • QR-Code can hold up to 7,089 characters


  • Barcodes only span horizontally
  • QR-Codes can span horizontally and vertically
  • QR-Codes can be read from any direction
  • QR-Codes are more durable

Augmented Reality

Subject Guide

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