Abstract: This invention generally relates to a fully automatic operation system for feeder and more specifically to an unmanned apparatus which is fully automated so that the self-guiding, charging, and scheduled feed-spraying by the apparatus can be achieved. In accordance with the invention, the cooperation between a plurality of electric eyes and a control unit is utilized to command a plurality of motors for controlling the moving direction of the apparatus. A wharf having a charging device and a position device is also provided so that the batteries in the apparatus can be charged after each navigational turn on the apparatus.