light sensor

[/laɪt ˈsɛnsər/]
nounpl: light sensors
sensor de luz
1. An electronic device that detects and measures light intensity or presence, converting light energy into an electrical signal
The light sensor automatically adjusts the screen brightness based on ambient lighting conditions.
O sensor de luz ajusta automaticamente o brilho da tela de acordo com as condições de iluminação ambiente.
2. A component used in various applications to trigger actions or collect data based on light detection
Modern smartphones use light sensors to optimize battery consumption.
Os smartphones modernos usam sensores de luz para otimizar o consumo de bateria.
Light sensors are integral to modern technology in both Brazil and the USA. In Brazil, the term 'sensor de luz' is widely used in consumer electronics marketing and technical documentation. With the growing tech industry in São Paulo and other Brazilian cities, English technical terms are often used alongside Portuguese translations. In the USA, light sensors are standard in smartphones, automobiles, and smart home devices, reflecting the advanced integration of sensor technology in daily consumer products.
Synonyms / Sinônimos
photosensorlight detectorphotodetectorilluminance sensorambient light sensor

Regional Variations

General Brazilian
sensor de luz
Most common term used in technology and electronics contexts
Brazil (technical)
fotosensor
More technical/specialized term used in engineering
Portugal
sensor de luz
Same as Brazilian Portuguese; fotossensor also used in technical contexts
São Paulo (tech hubs)
sensor de luminosidade
Alternative used in some technical documentation

Related Words

photoresistorphotodiodephototransistorluminosityambient lightilluminationoptical sensor
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