Fix Your Stuff

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Changes to Step #4

Edit by Miroslav Djuric —

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[* black] The V654A [link|http://en.wikipedia.org/wiki/Application-specific_integrated_circuit|ASIC] die (seen on the left) converts the tiny capacitive signals from the GK10A MEMS oscillator die into a digital signal which is fed into the iPhone 4.
[* black] The sensitivity of MEMS gyroscopes is usually in mV/dps (or degrees per second), so the output of the oscillator (in mV) divided by the sensitivity (mV/dps) provides the angular rate applied to the package, in degrees per second.
[* black] The V654A [link|http://en.wikipedia.org/wiki/Application-specific_integrated_circuit|ASIC] die (seen on the left) converts the tiny capacitive signals from the GK10A MEMS oscillator die into a digital signal which is fed into the iPhone 4.
[* black] The sensitivity of MEMS gyroscopes is usually in mV/dps (or degrees per second), so the output of the oscillator (in mV) divided by the sensitivity (mV/dps) provides the angular rate applied to the package, in degrees per second.
[* black] This data is used, for example, to turn the steering wheel of a car or to change the course of an aircraft in any of the iPhone 4's 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) divided by the sensitivity (mV/dps) provides the angular rate applied to the package, in degrees per second.