# Set spidev ownership to 'spi' group SUBSYSTEM=="spidev", KERNEL=="spidev*", GROUP="spi", MODE="0660" # Allow access to USB CH341 devices SUBSYSTEM=="usb", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="5512", MODE="0666" # Set gpio ownership to 'gpio' group SUBSYSTEM=="*gpiomem*", GROUP="gpio", MODE="0660" SUBSYSTEM=="gpio", GROUP="gpio", MODE="0660"