Today's smartphones are incredible little machines – ones that would have been regarded as witchcraft several decades ago. But we've grown so used to our iPhones and Android handsets that take them for granted even though there's so much cool technology packed into them. Take their sensors for example. Do you know how many different kinds go inside a smartphone?
Let's start with one of the most commonly used sensors – the accelerometer. As its name implies, it measures the acceleration that the handset is experiencing relative to freefall. Move it in any direction and data from this sensor ...
from PhoneArena - News http://ift.tt/1mYxXZr
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