AVR-based digital frequency meter, the use of so LCD1602 display. Refresh rate of 1S, with circuit

自制AVR频率计(Made By Axin & Cornsoup)
......................................\back
......................................\....\def.h
......................................\....\LCD_1602.c
......................................\....\LCD_1602.h
......................................\Backup Of 频率计.DBK
......................................\driver
......................................\......\Frequence.pnproj
......................................\......\Frequence.pnps
......................................\......\main.c
......................................\......\main.eep
......................................\......\main.elf
......................................\......\main.hex
......................................\......\main.lss
......................................\......\main.lst
......................................\......\main.map
......................................\......\main.o
......................................\......\main.sym
......................................\......\Makefile
......................................\Last Loaded 频率计.DBK
......................................\M16频率输出测试
......................................\...............\m16_Frequence.pnproj
......................................\...............\main.c
......................................\...............\main.eep
......................................\...............\main.elf
......................................\...............\main.hex
......................................\...............\main.lss
......................................\...............\main.lst
......................................\...............\main.map
......................................\...............\main.o
......................................\...............\main.sym
......................................\...............\Makefile
......................................\PCB
......................................\...\PCB
......................................\...\...\History
......................................\...\...\.......\PCB.~(1).PcbDoc
......................................\...\...\mylib.SCHLIB
......................................\...\...\PCB.PcbDoc
......................................\...\...\Sheet.SchDoc
......................................\...\...\有声有色PCB元件库.PcbLib
......................................\...\...\频率计.PRJPCB
......................................\频率计.DSN
......................................\频率计.PWI

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