![]() Reads a byte that was transmitted from a slave device to a master after a call to requestFrom() or was transmitted from a master to a slave. The number of bytes available for reading. This should be called on a master device after a call to requestFrom() or on a slave inside the onReceive() handler. Returns the number of bytes available for retrieval with read(). String: a string to send as a series of bytesīyte: write() will return the number of bytes written, though reading that number is optional ![]() Writes data from a slave device in response to a request from a master, or queues bytes for transmission from a master to slave device (in-between calls to beginTransmission() and endTransmission()).
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