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基于PIR传感器的安全警报
在这个简单的 DIY 项目中,我将向您展示如何设计和实现基于 PIR传感器的安全警报系统。我设计的这个电路使用 Arduino 作为主控制器,当然还有 PIR传感器本身。此外,我还使用了UM3561IC(警报器发生器IC),通过扬声器产生必要的警报声。 通常,在家庭、商店 ...
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今日热点
Dan Bongino to step down
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On medically assisted suicide
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Duke of Marlborough charged
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Knicks win NBA Cup
To remain in DC for now
No buried ocean on Titan?
Putin on peace talks
Headed to YouTube
Senate passes defense bill
Appears in court
Jack Smith testifies
Ex-executives indicted
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