SPI uses the SCK, MOSI, MISO and CS (or SS) pins. Those pins are 52, 51, 50 and 53 (defalut) on a Mega. Those pins are also available on the ICSP connector.
SPI uses the SCK, MOSI, MISO and CS (or SS) pins. Those pins are 52, 51, 50 and 53 (defalut) on a Mega. Those pins are also available on the ICSP connector.
