5 Ways to Use a QR Code

a convenient way to store all kinds of data in a small space

The QR code term stands for Quick Response Code. QR codes are square barcodes (two-dimensional barcodes) that were first developed and used in Japan. Like any other barcode, a QR code is nothing more than a way to store information in a machine-readable optical label. The data contained by a QR code can be anything from simple text, to email addresses, to phone numbers and so on.

QR codes store data using patterns of black dots and white spaces, arranged in a square grid. These patterns can be scanned and translated into human readable information, with the help of an imaging device, like a camera or a scanner, although the most common way to scan QR codes nowadays is to use your smartphone’s camera and a specialized app for reading QR codes.

Why are QR codes useful?

 QR codes are easy to generate and use. They are a convenient way to store all kinds of data in a small space. If the data you want to store in a QR code is made of only alphanumeric characters, a single QR code can hold up to 4000 characters.
 The truth is that you can store lots of types of information in a QR code and it all depends only on your imagination. For example, you could also use a QR code to point someone to your Facebook page, or you could use it to display a poem you wrote. It is all up to you.

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  • Manto Bejo

    Li Europan lingues es membres del sam familie. Lor separat existentie es un myth. Por scientie, musica, sport etc, litot Europa usa li sam vocabular. Li lingues differe solmen in li grammatica.

  • Dani Ramado

    Li nov lingua franca va esser plu simplic e regulari quam li existent Europan lingues. It va esser tam simplic quam Occidental in fact, it va esser Occidental. A un Angleso it va semblar un simplificat Angles, quam un skeptic Cambridge amico dit me que Occidental es.

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