FFT and Acceleration
Demonstrations

For further information, please contact the author: Ray Wisman,

• FFT
• Acceleration
• Download Software
  • Acceleration executeable

Dropping Wiimote with +Y pointing down.

Note that the down direction has a force of 1 g. but is all accelerometers are initially calibrated to 0. The result is that +Y, the down direction, is measured as 0 g. when at rest and when in free fall, as -1 g.

0.86 Start time dropping Wiimote. Acceleration 0 g in +Y.	1.56 Time Wiimote stopped. Acceleration -1 g in +Y.	0.86 Start time dropping Wiimote
1.56 Time Wiimote stopped.	All 3 axis velocity	All 3 axis acceleration
Combined acceleration in 3 directions