流水灯+蜂鸣器
.............\01
.............\01.c
.............\01.hex
.............\01.LST
.............\01.M51
.............\01.OBJ
.............\01.Opt
.............\01.plg
.............\01.Uv2
.............\01.__i
.............\01_Opt.Bak
.............\01_Uv2.Bak
.............\STARTUP.A51
.............\STARTUP.lst
.............\STARTUP.obj