The iPhone is well known for its excellent camera. You may have noticed a black dot near the lenses and wonder what it is there for and what it does.

Have you ever noticed a small black dot next to the camera on some iPhones and wondered what it does? Even many long-time ...

The intention is that the manual has a broad ownership and changes can be proposed via pull requests or by submitting issues that we will follow up. Light Detection and Ranging (LiDAR) technology has ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Arducam recently launched the All-in-One Raspberry Pi AI Camera Kit with CM5, a Raspberry Pi CM5-based PoE outdoor security ...

Apple iPhone Fold does not include a fingerprint sensor and relies on advanced facial authentication for security.

From autonomous vehicles to optical testing, these sensors bring high performance infrared detection into real-world systems. As demand grows for longer range and more accurate infrared sensing, ...

I installed my electric High Tech Pet door in 2019 and here in 2025 it has started some erratic behavior and has become less reliable. The proximity key has been replaced and the battery has been ...

A research team led by Professor Leo Tianshuo Zhao from the Department of Electrical and Electronic Engineering at the Faculty of Engineering, University of Hong Kong (HKU), has developed the world's ...

Abstract: In this article, we present the architecture of the wireless sensor network based on nRF24 technology, detailing the communication protocol and data packet structure. Furthermore, we ...