If you are looking for the results of the sbc_gpio tests, please check out our sbc_gpio Pi 4B vs Rock 5B comparison. Configuring the Radxa Rock 5B for our sbc_gpio test require 1x I2C, 2x SPI, 1x UART and 2x IR (1 Tx and 1 Rx). All the configuration will need to be done directly in the /boot/config.txt file….