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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
Asked to step down
Out as attorney general
Addresses nation on Iran
MA troopers arraigned
Ancient helmet found
Tesla sales rise
World's oldest tortoise alive
Americans told to leave Iraq
Earthquake hits CA
Death ruled homicide
Pauses diagnostic testing
Rams receiver entered rehab
Man charged in TX deaths
'Bob's Burgers' star injured
Trump to pay DHS workers
WH ballroom gets approval
FBI team arrives in Cuba
Body cam video released
Court orders resentencing
Danish warship wreck found
Launches new McValue menu
US jobless claims fall
Sign defense pact
Iran targets ISR, Gulf states
Shooting in Brooklyn
NBA fines Trail Blazers
Cause of death revealed
DNA testing links 1974 death
Testifies in wife killing
Agrees to deal with Raiders
DHS reverses Noem’s policy
Hospitalized after car crash
Oil jumps, stocks slide
Clarke arrested in Arkansas
7.4 quake strikes Indonesia
NYPD officer's death trial
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