The SMAJAYU JY302 suitable for various applications of tractors, harvesting machines, plant protection machinery, rice transplants and other agricultural vehicles.The system consists of a base station and a vehicle control part. The vehicle control part includes a control tablet integrated with a highprecision GNSS board, a steering wheel motor with a built-in controller, and an angle sensor. It can be widely used for sowing, cultivating, trenching, ridging, spraying pesticide, transplanting, land consolidation, harvesting and other work scenarios.