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Wire.available()

Description

Returns the number of bytes available for retrieval with receive(). This should be called on a master device after a call to requestFrom() or on a slave inside the onReceive() handler.

Parameters

None

Returns

The number of bytes available for reading.

See Also

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This reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License and is based on the Arduino reference. Code samples in the reference are released into the public domain.