The 12V power supply for the Robotis Dynamixel MX-28R Robot Servo is mentioned in the hardware documentation (https://github.com/mesoSPIM/mesoSPIM-hardware-documentation/wiki/mesoSPIM_preparing_zoom_servo), but it is not included in the parts list (https://github.com/mesoSPIM/mesoSPIM-hardware-documentation/blob/master/mesoSPIM_V5/parts_list/mesoSPIM-V5-parts-list-8-5-19.xlsx)