Ambient light sensor
An ambient light sensor ( english ambient light sensor , abbreviated ALS ) has the task of the ambient light to measure and provide the electrical appliance as measurement values. The ambient light sensor can then, depending on the setting, automatically adjust the brightness of the device , for example . The ambient light is measured using the photoelectric effect and output as an electrical signal.
Web links
- ALS (ambient light sensor) from itwissen.info, accessed October 26, 2013