51 Single-chip DC-based pwm speed control system c language programming, I hope a bit useless

Packet : 9331745451pwm.rar filelist
新建文件夹\STARTUP.A51
新建文件夹\111.plg
新建文件夹\Text2.c
新建文件夹\Text2.LST
新建文件夹\Text2.OBJ
新建文件夹\111_Uv2.Bak
新建文件夹\111.Uv2
新建文件夹\111.Opt
新建文件夹\Text1
新建文件夹\毕设程序.c
新建文件夹

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