说明：  根据功能的不同，小车分为六部分：摄像头图像采集模块、电源模块、电机驱动模块、测速模块、舵机转向模块、辅助调试模块
(According to the different features, car is divided into six parts: image acquisition camera modules, power modules, motor drive modules, gun modules, gear shift module, auxiliary debugging module)