This idea describes a white- LED (WLED) driver circuit controlled by a simple ambient light sensor (ALS). A typical application would be a brightness control for cell-phone backlighting. On a very ...

As in a previous Design Idea (Reference 1), this design uses an LED as a transducer to measure the ambient-light level and to provide illumination. This Design Idea uses the same principle as its ...

Managers of office and manufacturing facilities are always looking for cost-efficient investments to help their spaces be more productive and more enjoyable places to work. This is especially true as ...

As the solid-state lighting market continues to mature, the inherent possibilities of the technology, such as the ability to fine-tune the color of area lighting, become useful factors in designing ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry's ...

Camden Door Controls is pleased to bring to market a new multi-color LED Dome Light with Sounder. These single gang CM-AF142SO red/green/blue/white multi-color dome lights are vandal and weather ...

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