While the Raspberry Pi has very good support ... that allows him to open an SPI connection, initialize, transfer, and close the connection. After connecting an Arduino to the MOSI, MISO and ...

For years, there has been a clear distinction between the Arduino and Raspberry ... as communication pins. On the Nano, you can access one UART (pins D0 and D1 as RX and TX), one SPI (pins D10 ...

These are the times that we live in: the Raspberry Pi Zero ... into it over the SPI/SDIO lines to convince it to act as an SDIO WiFi adapter, and all the rest of the hardware communication stuff ...