QR code
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'''QR codes''' (Quick Response) are a type of 2-dimensional bar code which is currently very popular. Originally designed for industrial use in tracking items as they move around a warehouse or factory, they are currently mainly used to provide hyperlinks in ads, articles, and signs which somebody with an appropriate reader (such as apps for a smartphone) can use to retrieve what is generally a URL linking into the Web, though other kinds of content can also be stored. | '''QR codes''' (Quick Response) are a type of 2-dimensional bar code which is currently very popular. Originally designed for industrial use in tracking items as they move around a warehouse or factory, they are currently mainly used to provide hyperlinks in ads, articles, and signs which somebody with an appropriate reader (such as apps for a smartphone) can use to retrieve what is generally a URL linking into the Web, though other kinds of content can also be stored. | ||
| − | == | + | == Developer libraries == |
* [http://zbar.sourceforge.net/ ZBar bar code reader library: cross-platform] | * [http://zbar.sourceforge.net/ ZBar bar code reader library: cross-platform] | ||
* [http://code.google.com/p/zxing/ zxing (Zebra Crossing)] (barcode library for Java, ported to some other systems) | * [http://code.google.com/p/zxing/ zxing (Zebra Crossing)] (barcode library for Java, ported to some other systems) | ||
Revision as of 16:53, 24 April 2013
QR codes (Quick Response) are a type of 2-dimensional bar code which is currently very popular. Originally designed for industrial use in tracking items as they move around a warehouse or factory, they are currently mainly used to provide hyperlinks in ads, articles, and signs which somebody with an appropriate reader (such as apps for a smartphone) can use to retrieve what is generally a URL linking into the Web, though other kinds of content can also be stored.
Developer libraries
- ZBar bar code reader library: cross-platform
- zxing (Zebra Crossing) (barcode library for Java, ported to some other systems)
Utilities
References
- QR code (Wikipedia)
- Official QR site
- Reed Solomon Codes for Coders - Wikiversity tutorial
- Barcode contents
