Want to build your own infrared motion detector? It's easier than you think! So easy, in fact, that this video tutorial from MAKE can present a complete overview of the build in under five minutes! For more information, including a full list of materials and detailed, step-by-step instructions, and to get started building your own passive infrared motion alarm, take a look.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
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