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. | ||
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| + | == Software == | ||
| + | * [https://play.google.com/store/apps/details?id=com.google.zxing.client.android&hl=en Android app to read UPC and QR codes to look up produt info/prices and other info coded or linked in bar codes] | ||
== Developer libraries == | == Developer libraries == | ||
Revision as of 04:34, 29 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.
Contents |
Software
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
