Magnetic sensor
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A magnetic sensor, also called a magnetometer, is a physical electronic component used in 3D-tracked head-mounted displays and controllers to do 3D tracking by measuring the strength and direction of a magnetic field. Magnetometers in consumer electronics measure a magnetic field along 3 perpendicular axises of X, Y, and Z.
In virtual and augmented reality, magnetometers are part of IMUs or alongside them inside a device.
Magnetometers can be used with permanent magnets to make a 3D tracking system.
Commercial standalone magnetometers[edit]
- ST IIS2MDC
- ST LIS2MDL
- Infineon TLV493D
- Bosch BMM350 (+/-2000 microtesla range, resolution of ~0.1 microtesla, geomagnetic)
- Allegro ExtremeSense line
- Freescale FXOS8700CQ - discontinued
IMUs with magnetometers built in[edit]
- LSM303AH
Devices with magnetometers[edit]
- All iPhones starting with the iPhone 3GS in 2009