File list (Check if you may need any files):
Ultrasound to avoid obstacles\AT89X52.H
.............................\C51FPS.rar
.............................\HL-1
.............................\HL-1.hex
.............................\HL-1.lnp
.............................\HL-1.M51
.............................\HL-1.opt.bak
.............................\HL-1.plg
.............................\HL-1.Uv2.bak
.............................\HL-1.uvopt
.............................\HL-1.uvproj
.............................\HL-1_Opt.Bak
.............................\HL-1_uvopt.bak
.............................\LCD1602display.c
.............................\LCD1602display.h
.............................\main.c
.............................\main.LST
.............................\main.OBJ
.............................\Timer.h
.............................\关于超声波测距程序编译不成功的说明.txt
Ultrasound to avoid obstacles