CONNECTING WITHQR CODESMarsha McDevitt-StredneyKatrina MidayState 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?1D Barcode 2D Barcode Uses only length Stores data vertically Height is for scanning and horizontally convenience Read by image scanner Read by a laser Stores up to 7,089 Stores 30 ASCII characters characters
What can it store? QR Code Data CapacityNumbers Max 7,089 charactersAlphanumeric (0-9 & A-Z) Max 4,296 charactersBinary [8 bits] Max 2,953 bytesKanji, full-width kana Max 1,817 characters
How is data stored? Quiet Zone Format Information Version Information Data & 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.