## Changes to Step #4

Edit by Kristian Lauszus

Before
After
Unchanged

### Step Lines

 [* black] The V654A ASIC die (seen on the left) converts the tiny capacitive signals from the GK10A MEMS die into a digital signal which is fed into the iPhone 4. [* black] This data is used, for example, to turn the steering wheel of a car or to [link|http://wireless.ign.com/articles/110/1102745p1.html|aim a gun] in one of iPhone 4's many video games. [* black] For the mechanical engineers: the sensitivity of MEMS gyroscopes is usually in mV/dps (or degrees per second), so the output of the oscillator (in mV) minus the zerorate (in mV) divided by the sensitivity (mV/dps) provides the angular rate applied to the package, in degrees per second. [* black] For the mechanical engineers: the sensitivity of MEMS gyroscopes is usually in mV/dps (or degrees per second), so the output of the oscillator (in mV) minus the zerorate (in mV) divided by the sensitivity (mV/dps) provides the angular rate applied to the package, in degrees per second.