CoreMotion - magneticField is always 0...

How to use accelerometer, CMMotion data to locate a point in 3D space?...

Does iPhone3GS support block queues?...

Actual frequency of device motion updates lower than expected, but scales up with setting...

Can't run performSelector: afterDelay from CoreMotion Block...

Core Motion Gyroscope 360 degree values...

CMMotionManager is a global resource? What does this means?...

Calculate Acceleration (Driving a Car)...

iOS Compass vs independent developer versions...

NSTimeInterval to unix timestamp...

iphone - core motion (relative rotation)...

Can I use the Core Motion framework on pre iOS 4 devices?...

update frequency set for deviceMotionUpdateInterval it's the actual frequency?...

Tilt location iOS app...

CMDeviceMotion issues with multiplyByInverseOfAttitude...

Adapting Shake Code from 'Beginning Iphone 4 Development' Causing Crash...

iPhone - understanding iPhone rotation...

iPhone - core motion timestamp...

iPhone - What does the gyroscope measures? Can I get an absolute degree measurement in all axis?...