Requirements: https://github.com/lthiery/SPI-Py https://github.com/mxgxw/MFRC522-python (for Raspberry Pi) https://github.com/kwanxian/OrangePiPC/tree/master/SPI/RC522 (for Orange Pi PC)   sudo armbian-config System --> Hardware --> select "spi-spidev" --> Confirm --> reboot when reboot finish: sudo vim /boot/armbianEnv.txt under "overlays=spi-spidev",add this: "param_spidev_spi_bus=0" save & reboot again. then you can see spi enable i