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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
To resign from Congress
'Little Rascals' star arrested
Husband Hooker released
Tankers pass Strait of Hormuz
Michelle Steel nominated
Shooting at Nevada airport
Chinese tycoon pleads guilty
Today in history: 2018
Fined for careless driving
Former Cardinals HC dies
Man charged in Molotov attack
Vitale diagnosed with cancer
Partners with OpenAI
Going on trial again
Hosts Israel-Lebanon talks
Another US boat strike kills 2
Earthquake strikes Nevada
Colombia to cull hippos
Man shot by ICE arrested
Texas AG probes Lululemon
Irish musician Brennan dies
Butler man pleads guilty
Dozens arrested in NYC protest
Spanish PM's wife charged
Carney secures majority
Discloses $100M+ in assets
Brazil’s ex-spy chief arrested
Amazon to acquire Globalstar
LAUSD strike averted
IMF cuts growth outlook
To retire from Congress
Appoints John Brase as CEO
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