Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...
Using the latest Raspberry Pi 4 Model B mini PC, you can easily create a sophisticated security camera system complete with a motion sensor. This setup will automatically send images taken using a ...
The evenings might be getting lighter but it's still a smart idea to have outdoor security lights outside your home. In particular, shoppers are praising the Derek PIR Sensor Glass Steel Outdoor Wall ...
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