Buzzer buzzer ring to change the frequency by changing the delay time if the buz...
于 2022-01-25 发布
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蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay
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