Living objects with a body temperature above 0°C emit heat as infrared radiation, also known as thermal radiation, which is invisible to the human eye. PIR sensors, designed for this purpose, can ...

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 ...

Question: We need more security that just the three floodlights we now have. I thought about getting some motion-sensing ones. How difficult is it to install these new lights myself? Answer: Adding ...

This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...

With the smart home industry continually innovating, motion sensor light switches have become a must-have for modern, energy-efficient homes. As we approach 2024, here’s a curated list of the top 10 ...

The main aim of this mini-project is to demonstrate the working of a PIR motion-based light bulbs. This is to mainly minimize energy consumption and save electricity bills. Sometimes people forget to ...

The V-TAC PIR Motion Sensor LED Ceiling Light is a high-quality infrared motion sensor designed for energy-saving and enhanced safety. This sensor adopts an advanced sensitivity detector and ...

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 ...