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QR code is a type of two-dimensional barcode invented in 1994 by a Japanese company for labelling automobile parts. It can store data for various purposes, such as web tracking, product identification, and mobile tagging, and can be scanned by imaging devices like cameras.
Learn how to create, edit, print and display QRpedia codes, which link to Wikipedia articles in multiple languages. Find tips, examples and tools for using QRpedia codes in various settings and media.
Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [ 2 ] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.
Data Matrix is a two-dimensional code that can encode text or numeric data in a matrix of black and white cells. Learn how Data Matrix is used for marking small items, printed media, food industry, art and more, and how it differs from other barcodes.
Code 128 is a high-density linear barcode that can encode all 128 characters of ASCII and Latin-1. It is used for product identification codes in shipping and packaging industries and has three code sets (A, B, C) and a check symbol.
Learn how barcodes were invented by Woodland and Silver in 1949 and how they became widely used in supermarkets and other industries. Find out the difference between 1D and 2D barcodes and how they are scanned by optical or digital devices.
The Reed–Solomon code is a [n, k, n − k + 1] code; in other words, it is a linear block code of length n (over F) with dimension k and minimum Hamming distance = + The Reed–Solomon code is optimal in the sense that the minimum distance has the maximum value possible for a linear code of size ( n , k ); this is known as the Singleton bound .
size - The default image size is 200x200 pixels, a parameter of size may be added giving a alternative width (and the identical height) in pixels. Examples [ edit ] {{QR code}} provides Generate QR code for this page
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qrcodeveloper.com has been visited by 10K+ users in the past month