Description: The timer can emit different frequencies, different duty cycle pwm wave. When the buzzer receive these waveforms, due to different frequency and duty cycle, it emits sounds of different frequencies and the size of the sound, that is, different timbre and loudness. So that you can sing
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File list (Check if you may need any files):
STARTUP.A51
STARTUP.LST
STARTUP.OBJ
蜂鸣器唱歌
蜂鸣器唱歌.c
蜂鸣器唱歌.hex
蜂鸣器唱歌.lnp
蜂鸣器唱歌.LST
蜂鸣器唱歌.M51
蜂鸣器唱歌.OBJ
蜂鸣器唱歌.Opt
蜂鸣器唱歌.plg
蜂鸣器唱歌.Uv2
蜂鸣器唱歌_Opt.Bak
蜂鸣器唱歌_Uv2.Bak
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