All of the amplifiers and the SD Card use MOSI MISO and SCK.
Yes, I understand that is so. But I don't understand if it is possible for all the amplifiers to connect to the same three pins. I'm sorry but I am really confused.
I did not say Pin5. I said the 5v (5 volt) pin
I meant the 5v pin, sorry, I must have forgotten it.
I will try to sum it up. My amplifiers all need to be connected to OSI, MISO and SCK. As you said I can connect CK pin to Digital #13 , the SDO pin to Digital #12 ,the SDI pin to Digital #11. But this only for one amplifier. How do I do it with all the others?
For my Arduino to have the 3.3v supply I will need an LD1117 voltage regulator connected to the Arduino 5v pin. But my SD-card also needs to be connected to the 5v pin. How can I use both if I have only a 5v pin?
A thousand times thank you for your patience with me