Electronic Design

Simple Ambient Light Sensor Controls White LED Driver

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 ...
Electronic Design

Simple Light Sensor Circuit Features High Dynamic Range

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 ...
EDN

Advantages of Packaging a Proximity Sensor with an Ambient Light Sensor

Consumer devices like cell phones are using more and more sensors to save power and enhance our interaction with them. Some of the latest devices have more than 10 sensors. It is a natural question ...
EDN

Co-packaging the ambient light and proximity sensor

Consumer devices like cell phones are using more and more sensors to save power and enhance our interaction with them. Some of the latest devices have multiple sensors; and now, two important and ...