Description: Control computer motherboard specified frequency horn sound, pay attention to the speaker is not playing music, you can use a different frequency composition of music.
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File list (Check if you may need any files):
喇叭发声\Project1.cfg
........\Project1.dof
........\Project1.dpr
........\Project1.exe
........\Project1.res
........\Unit1.dcu
........\Unit1.ddp
........\Unit1.dfm
........\Unit1.pas
喇叭发声
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