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蜂鸣器的Arduino

于 2022-09-27 发布 文件大小:13.46 kB
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代码说明:

设计Arduino的销13被连接到220欧姆的电阻。连接到晶体管2N222A电阻,然后连接到基座。一条腿被连接到地,另一条腿被连接到蜂鸣器。此外蜂鸣器连接到Vcc。蜂鸣器,请12伏变为5伏。

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