The tiny silicon diving boards
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Spinning without moving
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The brain behind the sensors
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YOUR GOAL
Master of How your phone knows up
steve MEMS Accelerometers
Tiny silicon springs, tiny silicon springs, they feel the gravity swing!
steve Waving your phone in a figure-eight pattern recalibrates the internal compass by mapping nearby magnetic interference.
steve A third sensor, the magnetometer, measures Earth's magnetic field to help your phone find absolute North.
Figure eight magic: Waving your phone in a figure-eight recalibrates the compass by measuring and subtracting local magnetic interference.
What physical law or effect is commonly used by magnetometers to measure magnetic fields?
Which sensor inside your phone functions as a digital compass by measuring magnetic fields?
Which famous mathematical algorithm is widely used in sensor fusion to filter out noise?
What is the term for combining data from multiple sensors to get a more accurate result?
What navigation technique estimates your current position based on a previously determined position and sensor data?