Based on 51 single-chip PWM DC motor speed control procedures, PWM wave generated by the microcontroller, and the motor speed through the key control.

test\Last Loaded ghu.DBK
....\test
....\test.build_log.htm
....\test.hex
....\test.lnp
....\test.M51
....\test.plg
....\test.uvgui.ASUS
....\test.uvgui.bg
....\test.uvgui_asus.bak
....\test.uvopt
....\test.uvproj
....\test_uvopt.bak
....\test_uvproj.bak
....\text.c
....\text.LST
....\text.OBJ
....\基于51单片机PWM直流电机调速程序\Last Loaded ghu.DBK
....\...............................\test
....\...............................\test.build_log.htm
....\...............................\test.hex
....\...............................\test.lnp
....\...............................\test.M51
....\...............................\test.plg
....\...............................\test.uvgui.Administrator
....\...............................\test.uvgui.ASUS
....\...............................\test.uvgui.bg
....\...............................\test.uvgui_asus.bak
....\...............................\test.uvopt
....\...............................\test.uvproj
....\...............................\test_uvopt.bak
....\...............................\test_uvproj.bak
....\...............................\text.c
....\...............................\text.LST
....\...............................\text.OBJ
....\基于51单片机PWM直流电机调速程序
test

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