压缩包内有文件若干，其中final_test.py是最终程序，sensor.py是超声波测距模块的代码。解压后进入代码根据gpio引脚定义将电机驱动板连接树莓派的相应gpio引脚。（代码中有定义），接好后直接python finel_test.py，即实现小车的无人自驾驶

robot
.....\robot3.py
.....\robot2.py
.....\robot4.py
.....\sensor.pyc
.....\sensor.py
.....\final_test.py
.....\robot1.py
.....\final_test.py~
.....\robot6.py
.....\robot5.py

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