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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
Backs off from tariff threat
Seems to let Cook keep job
Trump speaks at Davos
Israel strikes Gaza
Announces run for Congress
To host SAG Actor Awards
Air Force One returns to WA
To be sold for $450 million
'Don't Be Dumb' world tour
Ford recalls over fire risk
Halligan leaves her post
To be released from jail
Japan sentences Abe's assassin
ICE broke into MN home
IRS chief announces shakeup
Mets acquire Luis Robert Jr.
Trespassing charge dropped
JD Vance to visit Minnesota
FTC to appeal antitrust ruling
Elected to Baseball HOF
Hall of Fame inductee
Settles social media lawsuit
Vote to block Mercosur deal
Another train crash in Spain
Agrees to join Trump’s Board
Tops 325M subscribers
NASA astronaut retires
Synthetic drug ring busted
Limits Wall Street investors
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