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knowledge/technology/tools/QR Code.md
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2024-03-07 00:07:41 +01:00

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concept https://en.wikipedia.org/wiki/QR_code

QR Code

The quick response, or QR, Code is a two-dimensional version of the Barcode able to convey a wide variety of information almost instantly with the scan of a mobile device.

One can encode URLs, Contacts (in vCard format), WiFi-Credentials, Locations or other ASCII data.