Write data to the file.
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
write() will return the number of bytes written, though reading that number is optional
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.