There are a number of ways to construct accelerometers, but the ones in the iPhone (and probably most other consumer-level equipment) specifically are MEMS accelerometers. As I understand it, a change ...

Have you ever wondered how your iPhone knows up from down, or when you’re shaking it? It’s all because of the tiny accelerometer chip inside the device, but how does it work? It’s not like the ...

Your AirPods can detect when you've fallen asleep and pause your media. The AirPods likely use an accelerometer, not a heart rate sensor, to detect when you've fallen asleep. The feature requires a ...