English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
新浪网
2 年
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 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Florida's CAIR vows lawsuit
Flips GA state House seat
High schooler killed in fight
FDA probes into adult deaths
Investing $17.5B in India
On campaign finance limits
To launch new law firm
Storm systems bring rain
Admin threatens funding
Court allows release of docs
Sykes stabbed to death
$12B in aid for US farmers
Names chief of revenue
Bringing zero-sugar cookies
Upper West Side building fire
Wins Miami mayor's race
Gutman joins CBS News
Released from custody in JP
Wins MLS MVP award
ACLU sues DOJ
Enters NY governor race
Woman posed as heiress?
AP Male Athlete of the Year
The Mavericks frontman dies
SAVE plan to end soon?
GA state senator resigns
Court orders new trial
Job openings hold steady
Czech Republic’s new PM
Man charged in shooting
France on team charters
反馈