IO口输出（LED 继电器 蜂鸣器）\例1-点亮一个LED灯\LED.c
.............................\.................\LED.LST
.............................\.................\LED.OBJ
.............................\.................\LYDZ
.............................\.................\LYDZ.hex
.............................\.................\LYDZ.lnp
.............................\.................\LYDZ.M51
.............................\.................\LYDZ.plg
.............................\.................\LYDZ.uvgui.Administrator
.............................\.................\LYDZ.uvgui_Administrator.bak
.............................\.................\LYDZ.uvopt
.............................\.................\LYDZ.uvproj
.............................\.................\LYDZ_uvopt.bak
.............................\.................\LYDZ_uvproj.bak
.............................\.................\STARTUP.A51
.............................\.................\STARTUP.LST
.............................\.................\STARTUP.OBJ
.............................\..2-蜂鸣器蜂鸣\LYDZ
.............................\..............\LYDZ.hex
.............................\..............\LYDZ.lnp
.............................\..............\LYDZ.M51
.............................\..............\LYDZ.plg
.............................\..............\LYDZ.uvgui.Administrator
.............................\..............\LYDZ.uvgui_Administrator.bak
.............................\..............\LYDZ.uvopt
.............................\..............\LYDZ.uvproj
.............................\..............\LYDZ_uvopt.bak
.............................\..............\LYDZ_uvproj.bak
.............................\..............\SPK.c
.............................\..............\SPK.LST
.............................\..............\SPK.OBJ
.............................\..............\STARTUP.A51
.............................\..............\STARTUP.LST
.............................\..............\STARTUP.OBJ
.............................\..3-继电器启动\JDQ.c
.............................\..............\JDQ.LST
.............................\..............\JDQ.OBJ
.............................\..............\LYDZ
.............................\..............\LYDZ.hex
.............................\..............\LYDZ.lnp
.............................\..............\LYDZ.M51
.............................\..............\LYDZ.plg
.............................\..............\LYDZ.uvgui.Administrator
.............................\..............\LYDZ.uvgui_Administrator.bak
.............................\..............\LYDZ.uvopt
.............................\..............\LYDZ.uvproj
.............................\..............\LYDZ_uvopt.bak
.............................\..............\LYDZ_uvproj.bak
.............................\..............\STARTUP.A51
.............................\..............\STARTUP.LST
.............................\..............\STARTUP.OBJ
.............................\例1-点亮一个LED灯
.............................\例2-蜂鸣器蜂鸣
.............................\例3-继电器启动
IO口输出（LED 继电器 蜂鸣器）