**3.5 Auto-guidance system**

Auto-guidance system is a computer-controlled system that helps farmers guide their tractors or other agricultural equipment along the desired path. The system uses GPS technology to track the equipment's location and automatically steer it in the desired direction. There are many different types of auto-guidance systems (GPS-based auto-guidance systems, laser-based auto-guidance systems, camerabased auto-guidance systems) available on the market, each with its advantages and disadvantages.
