This tutorial demonstrates how to open the SPI interface on the Raspberry Pi 5


1. Open the Raspberry Pi terminal and run the following command

sudo raspi-config

2. Choose Interfacing Options then press Enter


3. Choose SPI then press Enter


4. Choose YES then press Enter


5. Reboot Raspberry Pi:

sudo reboot

Please make sure that the SPI interface was not used by other devices, you can check in the /boot/config.txt