The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

Sean Hollister is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget. I recently replaced most of ...

General purpose circuit of the simple pressure sensor alarm is built around a couple of readily available cheap components. Working of this circuit is straight forward and self-explanatory. When the ...

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Key Takeaways Motion sensor lights can reduce home energy usage by 30% to 50% compared to traditional always-on lighting ...

My progress toward a truly “smart” home has been painfully slow. I’m sick of unreliable voice commands, flaky smart switches, and poorly designed apps. Where’s the seamless experience that was ...