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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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US strikes ISIS targets
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Admin to appeal ruling
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Mamdani appointee resigns
Judge blocks Trump's plan
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Rare weather warning issued
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Recalls over 270K vehicles
Report: Gaza famine averted
Fired for multiple violations
Ex-Pak PM, wife sentenced
Sony buys majority stake
3 police officers shot in NY
DOJ appeals tossed cases
ICE detainee dies
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Judge overturns conviction
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NJ Transit trains collide
US seizes another vessel
Timmins breaks left leg
Makes Czech ski history
To launch formal talks
Ex-NY prison guard sentenced
Has non-Hodgkin lymphoma
Ukraine hits Russian tanker
To pay $169M luxury tax
Suspend radio broadcaster
Signs prison reform bill
Exits NY governor's race
Picks Southcom commander
Wins Tesla pay appeal
Taiwan knife attack
RU strikes UKR port
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