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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
Announces run for Congress
Wins first national title
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ICE broke into MN home
To be released from jail
NASA astronaut retires
'Don't Be Dumb' world tour
Today in history: 1976
To plead guilty to shooting
JD Vance to visit Minnesota
Settles social media lawsuit
Police hunt suspect
Elected to Baseball HOF
Limits Wall Street investors
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Japan sentences Abe's assassin
Cause of death revealed
FTC to appeal antitrust ruling
Measles cases rise in SC
Subpoenas Walz and others
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Declares severe blood shortage
Strengthen defense ties
Yellowfin tuna recalled
Sworn in as NJ governor
Injured in car accident
Marks first year of 2nd term
Prosecutors rest their case
Duke sues Mensah
Trespassing charge dropped
Threatens French wine tariff
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