Main is a ne555 with 51 SCM and made a frequency generator ~

51频率\51pinl.DSN
......\51pinl.PWI
......\51pl
......\51pl.c
......\51pl.hex
......\51pl.lnp
......\51pl.LST
......\51pl.M51
......\51pl.OBJ
......\51pl.Opt
......\51pl.plg
......\51pl.Uv2
......\51pl_Uv2.Bak
......\Last Loaded 51pinl.DBK
......\lcd1602z.h
51频率

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