The ultrasonic ranging system is different from the buzzer of the buzzer.

单片机超声波测距报警系统0\eeprom52.h
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.c
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.hex
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.lnp
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.LST
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.M51
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.OBJ
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.plg
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.uvgui.Administrator
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.uvgui_Administrator.bak
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.uvopt
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统.uvproj
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统_uvopt.bak
单片机超声波测距报警系统0\基于51单片机超声波测距报警系统_uvproj.bak
单片机超声波测距报警系统0

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