• Encoded Data: QR Code can use different data encodings

    (see Section 3.2.2 for detailed information oncharacter encoding modes).
    Their complexity influences the amount of actual characters that can be
    stored inside the code.
    For example, QR Code Version 2 with lowest error correction level can hold up to
    77 numeric characters, but only 10 Kanji characters.
  • tea :
    #ECC# Capacity and # Error correction code#
    The capacity of a QR Code depends on several factors. Besides the version of the code that defines its size (number of modules), the chosen error correction level and the type of encoded data influence capacity.

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