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 ...

Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, ...

Ambient light is increasingly being used as a source of energy. To help designers of such systems, this circuit accurately measures ambient light intensity over four decades of measurement. The design ...

In addition to their customary roles as indicators and illuminators, modern LEDs can also serve as photovoltaic detectors (reference 1 and reference 2). Simply connecting a red LED to a multimeter and ...

An overwhelming majority of handheld devices these days have ambient light sensors built into them. A large percentage of TVs and monitors do, too, and that proportion is growing. The sensors allow ...

Apple is researching an ambient light sensor that could be embedded underneath an iPhone display, a development that could aid in removing or reducing the screen notch. Current Apple smartphones, such ...

MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has unveiled the VEML4031X00, the industry’s first AEC-Q100 qualified rectangular ambient light sensor. This innovative device provides superior ...

Allegedly unhappy with the current light sensor in the iPhone 4, Apple is said to be testing a new component supplier for future hardware. Citing its industry sources in the Far East, DigiTimes ...