hello
please can i change the pins number of spi pins of mega2560
50.51.52 to another pins for exemple 40.41.42 ??? ??
can i define
50=40
51=41
52=42
.
.
ans take the signal from 40.41.42 ??
Not if you use hardware SPI. If you want to bit-bang you can use any pins you want.