Light sensors often use an infrared LED as a light source. Infrared LEDs have a greater intensity than LEDs that emit visible light. And when infrared photodiodes are used the sensors are relatively ...

Need a cheap and easy way to deter intruders? For homeowners, outdoor lighting is a game changer for providing a line of sight on potential trepassers without running up costly energy bills. If you're ...

Remember Sidewalk, Amazon’s “neighborhood” network that leverages nearby Echo speakers and Ring cameras to connect smart ...

The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and ...

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Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to ...

For now, there's no reason for concern, but that could change in coming years. Kind of seems like yet another can’t really be used in the real world, attack. The attacker has to be sending specific ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Sometimes the smallest and most utilitarian thing can make the biggest difference in your home. With a proper night light, for example, there are a lot fewer accidents caused by trying to navigate in ...

Discover a sensor the size of an IC that works by measuring the time it takes light emitted to bounce off of a target and return. About a year ago, a coworker told me about a new kind of distance ...