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 ...

A Raspberry Pi with a camera is nothing new ... You can connect via USB, serial, SPI, or I2C. Internally, the camera processes at 60 frames per second and it can remember seven signatures internally.

There are also two SPI controllers and two I2C controllers ... (3.3V), while the Nano has two (3.3V and 5V). The Arduino Nano and Raspberry Pi Pico are programmed in different ways.