But the idea persists, and from time to time we see them here at Hackaday. [Gord Payne] has one with an elegant sensor solution, it detects finger movement using a light dependent resistor.

Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest. Out of curiosity, I contacted the online vendor and bought a pair. Named MR-SK50A, the module is less popular ...

A light sensor can still capture gestures, even if the person has a whiteboard behind them. “This work turns your device’s ambient light sensor and screen into a camera!” said Princeton ...

An outdoor motion sensor light offers security and illumination. Our home security expert recommends six models, including battery- and solar-powered lights.

Does your camera have a small sensor? Here's how to get the best quality with compacts or smartphones – even in low light Story by Kim Bunermann • 2h ...

We found a motion-sensor cabinet light available for 38% off that will make your life that much easier. The LEPOTEC 30-LED Motion Sensor Cabinet Light features 30 lamp beads that emit a brightness ...

Why does camera sensor size matter? At a basic level, sensor size determines how much light the camera has available to create an image.

Aqara makes a lot of smart products, but they made their bones as a brand that produces smart sensors. Today, they’re launching the new Motion and Light Sensor P2, which uses Thread and Matter ...

The $70 Oykyohei Outdoor Motion Sensor Light is on sale at Amazon for only $35, and it's an easy way to provide light in dark areas without any special tools or electrical knowledge.

But some customers have noticed an extra hole in the rear camera. Is it a mysterious new sensor? M4 iPad Pro has a ‘mysterious’ new sensor Well, the short answer is yes.

Using a specialized MRI sensor, engineers have shown that they can detect light deep within tissues such as the brain.