QR Code, 2D, matrix & scanning

QR Code, a type of bar code that consists of a printed square pattern of small black and white squares that encode data which can be scanned into a computer system. The black and white squares can represent numbers from 0 to 9, letters from A to Z, or characters in non-Latin scripts such as

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Data Matrix Code: a barcode with special skills

2D-Codes smart-TEC

Understanding the Differences Between Data Matrix vs QR Codes: - TechnoMark

How QR Code® works - Explain that Stuff

Data Matrix Code: a barcode with special skills

How QR Code® works - Explain that Stuff

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