Surveillance system is one from dozen features offered in smart home technology. In case to fulfil the term of smart inside surveillance system, the automation should be well implemented. In this ...

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As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

Pyroelectric infrared sensors (PIR) are excellent devices to detect human/animal presence with a small form factor and rugged design, for cost-effective surveillance. They are widely used to trigger ...