Frequency meter program and simulation, the key has three different waveforms.

22
..\LCD1602显示脉冲频率接线图.jpg
..\程序
..\....\STARTUP.A51
..\....\lcd.c
..\....\lcd.h
..\....\main.c
..\....\pro
..\....\pro.M51
..\....\pro.hex
..\....\pro.plg
..\....\pro.uvopt
..\....\pro.uvproj
..\....\pro_uvopt.bak
22 - 副本
.........\LCD1602显示脉冲频率接线图.jpg
.........\程序
.........\....\STARTUP.A51
.........\....\lcd.c
.........\....\lcd.h
.........\....\main.c
.........\....\pro
.........\....\pro.M51
.........\....\pro.hex
.........\....\pro.uvopt
.........\....\pro.uvproj
Last Loaded 频率计.DBK
新建文件夹 (3)
..............\程序
..............\....\STARTUP.A51
..............\....\STARTUP.LST
..............\....\STARTUP.OBJ
..............\....\ds1302.LST
..............\....\ds1302.OBJ
..............\....\ds1302.__i
..............\....\ds1302.c
..............\....\ds1302.h
..............\....\lcd.LST
..............\....\lcd.OBJ
..............\....\lcd.c
..............\....\lcd.h
..............\....\main.LST
..............\....\main.OBJ
..............\....\main.__i
..............\....\main.c
..............\....\pro
..............\....\pro.M51
..............\....\pro.hex
..............\....\pro.lnp
..............\....\pro.plg
..............\....\pro.uvopt
..............\....\pro.uvproj
..............\....\pro_uvopt.bak
..............\频率计.DSN
..............\频率计.PWI
程序
....\STARTUP.A51
....\STARTUP.LST
....\STARTUP.OBJ
....\ds1302.LST
....\ds1302.OBJ
....\ds1302.__i
....\ds1302.c
....\ds1302.h
....\lcd.LST
....\lcd.OBJ
....\lcd.c
....\lcd.h
....\main.LST
....\main.OBJ
....\main.__i
....\main.c
....\pro
....\pro.M51
....\pro.hex
....\pro.lnp
....\pro.plg
....\pro.uvopt
....\pro.uvproj
....\pro_uvopt.bak
频率计.DSN
频率计.PWI

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