Reference Language | Libraries | Comparison | Changes
Transfers one byte over the SPI bus, both sending and receiving.
SPI.transfer(val)
val: the byte to send out over the bus
the byte read from the bus
Corrections, suggestions, and new documentation should be posted to the Forum.
The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.