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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 ...

A new startup aims to wean automated home lighting users off manual scheduling by deploying light sensors and switch devices in and around a user's home for dynamic control based on localized, ...

Exhaust fans help prevent mold and mildew in bathrooms and basements, but when left on, they waste electricity. Automate this process by installing a humidity sensor to replace the fan switch. A ...