motion sensor
[/ˈmoʊʃən ˈsɛnsər/]
nounpl: motion sensors
sensor de movimento
1. An electronic device that detects physical movement in a designated area and triggers an automated response
The motion sensor turned on the lights when I entered the room.
O sensor de movimento acendeu as luzes quando entrei na sala.
2. A security device used to detect unauthorized movement and trigger alarms or alerts
The burglar alarm includes motion sensors on all windows and doors.
O alarme contra roubo inclui sensores de movimento em todas as janelas e portas.
3. A component in modern technology that measures acceleration and changes in position for various applications
Smartphones use motion sensors to detect rotation and orientation.
Os smartphones usam sensores de movimento para detectar rotação e orientação.
Motion sensors have become increasingly common in Brazilian homes and commercial spaces, particularly in security systems and energy-saving lighting. In the USA, they are standard in smart home automation and security systems. The technology is widely marketed in both countries as part of modern safety and convenience features.
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →