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tamarlikesdata on Jan 22, 2024 | parent | context | favorite | on: Reading QR codes without a computer

How do you distinguish different encoding modes (numeric, alphanumeric, byte, etc.) within the data region, especially when dealing with a QR code that uses multiple encoding modes?

nayuki on Jan 30, 2024 [–]

Each segment starts with a header that consists of a 4-bit type (numeric, alphanumeric, byte, etc.) and an n-bit character count.

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