说明：  寻迹小车的设计说明书 包括结构设计图、电原理图、PCB、软件等等，以及设计中是如何考虑的，器件选择的依据，调试中所遇到的问题等
(Tracing the design of car manuals including structural design drawings, electrical schematics, PCB, software and so on, as well as the design is how to consider the basis for device selection, commissioning of the problems encountered, etc.)