How Do Smartphones Know When You're Walking or Running?

Smartphones have tiny inside helpers called sensors that can feel movement, like a balance ball in your hand. When you walk or run, these sensors notice the changes and tell your phone what’s happening. It's like having a little detective inside your phone that watches how you move.

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Examples

Your phone tells you how many steps you took because it felt each one.
Your phone knows if you're running because it feels the faster movement.
It can even tell if you’re sitting still, like when you’re on a bus.

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Categories: Technology · smartphone sensors· motion detection· gyroscope· accelerometer