该文件包括智能寻迹小车的更新程序、坦克寻迹的参考程序资料，以及电机驱动原理分析，还有5路红外原理最新的原理图。-The file include intelligent tracing car update program, tanks of tracing reference data, as well as motor driven principle analysis, 5 road infrared principle and the latest schematic diagram.