compass sensor

noun
UK /ˈkʌm.pəs ˈsen.sər/
US /ˈkʌm.pəs ˈsen.sɚ/

A compass sensor is a small part that tells a device which way is north.

The robot uses a compass sensor to know which way to turn.


OTHER MEANINGS

2. A chip inside a phone that helps map apps show which way you are facing.

My phone's compass sensor makes the map spin when I turn around.

3. A device on a drone that keeps it flying in the right direction.

The drone's compass sensor stopped it from drifting off course.

4. A part in a car's navigation system that detects the direction of travel.

The car's compass sensor showed north on the dashboard screen.