本代码基于智能小车，可实现自动寻迹（黑白线，铁丝等），智能避障，可应用于餐厅的智能服务员，智能扫地机器人等。(This code is based on Intelligent car, can realize automatic tracking (black and white lines, wire, etc.), intelligent obstacle avoidance, can be applied to restaurant intelligent waiters, intell