I don’t have the robot on hand right now, but here is a screenshot of the PCB, the pins labeled OPEN_MV1 are for the OpenMV Power/UART, there is another UART labeled LEGO_SPIKE1 wich connects the Pico to a LEGO SPIKE hub (the pico is used as the robot “brains“ and the LEGO is used for the robot’s movements), there are also the servo terminals labeled as MG996R1 and MG90, then there are two pins which are used to connect a simple switch. You can also see two i2c interfaces which are not being currently used
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