File list (Check if you may need any files):
实验03 控制交流蜂鸣器发声\A51\Buzzer
.........................\...\Buzzer.hex
.........................\...\Buzzer.lnp
.........................\...\Buzzer.M51
.........................\...\Buzzer.Opt
.........................\...\Buzzer.plg
.........................\...\Buzzer.Uv2
.........................\...\Buzzer_Opt.Bak
.........................\...\Buzzer_Uv2.Bak
.........................\...\main.asm
.........................\...\main.LST
.........................\...\main.OBJ
.........................\C51\Buzzer
.........................\...\Buzzer.hex
.........................\...\Buzzer.lnp
.........................\...\Buzzer.M51
.........................\...\Buzzer.Opt
.........................\...\Buzzer.plg
.........................\...\Buzzer.Uv2
.........................\...\Buzzer_Opt.Bak
.........................\...\Buzzer_Uv2.Bak
.........................\...\main.c
.........................\...\main.LST
.........................\...\main.OBJ
.........................\...\STARTUP.LST
.........................\...\STARTUP.OBJ
.........................\实验原理图.pdf
.........................\实验说明.pdf
.........................\A51
.........................\C51
实验03 控制交流蜂鸣器发声