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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
Restarts largest nuclear plant
Sends 37 cartel members to US
To be released from jail
ICE broke into MN home
Halligan leaves her post
Today in history: 1976
Japan sentences Abe's assassin
To plead guilty to shooting
JD Vance to visit Minnesota
Another train crash in Spain
Limits Wall Street investors
Settles social media lawsuit
'Don't Be Dumb' world tour
Cause of death revealed
Police hunt suspect
Judge: No 'US attorney' title
NASA astronaut retires
Air Force One returns to WA
Elected to Baseball HOF
FTC to appeal antitrust ruling
Measles cases rise in SC
Subpoenas Walz and others
Guthrie reveals 'new voice’
Declares severe blood shortage
Strengthen defense ties
Marks first year of 2nd term
Prosecutors rest their case
Duke sues Mensah
Trespassing charge dropped
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