This is a test app for visually comparing the gyroscope to the compass the accelerometer and multi-touch in two dimensions (the XY-plane).


The gyroscope rotational speed around the z-axis is visualized as a gray circle.
Compass is red/white.
Accelerometer is green.
MultiTouch is blue.

The source code is available at
https://github.com/nadam/gyro-2d-visualizer