This board is inteded to be used with the evezor_arm_v1_mainboard_V1 https://github.com/evezor/evezor_arm_v1_mainboard_V1

It adds a power input for all 5V needs, it adds an sd card and associated ciruitry and an rj45 port that connects to the arm nano board

Source files can be found here: https://github.com/evezor/evezor_arm_v1_spi_power_board