Data

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Code NumberA small code number means less cells, but you can encode less data.A big code number means more cells, but you can encode more data.

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Error Correction LevelLMQHControls how much of the code can be destroyed, and still be readable.L=7% damage, M=15% damage, Q=25% damage, H=30% damage

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Cell SizeThe size of an individual cell.

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MarginThe size of the border around the code.

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