Arduino Function: SD.write

Description

This function allows you to write data to the file.

Syntax

file.write(data) 
file.write(buf, len)

Parameters

  • file: an instance of the File class (returned by SD.open())
  • data: the byte, char, or string (char *) to write
  • buf: an array of characters or bytes
  • len: the number of elements in buf

Returns

 number of bytes written, though reading that number is optional


Based on the reference originally written by Arduino Community,  wiring.org.co and  arduino.cc