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How a phone accelerometer works (VIDEO)

by Julia
May 23, 2012 at 1:30 pm

Undoubtedly one of the most important parts of smartphones and tablets is the accelerometer chip.

Smartphones launched in the last few years are equipped with accelerometers, some even with gyroscopes. By their means our devices know when to rotate the screen image. But how do they work?

Professor Bill Hammack from the University of Illinois, aka The Engineer Guy, has a series of videos that explain in detail how these technologies work. In a video posted on Youtube he explains how the accelerometer works.

Essentially, in every accelerometer, you have these springs made out of silicon, which oscillate back and forth between contact points.

When they move according to the force of gravity, those contact points can measure the charging and figure out which way the iPhone is pointing and how it’s moving.

Hammack believes that such a technology is one of the most awesome parts of a smartphone.

What do you think? What is your gossip?

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