Pigeon demonstrates using the Wiimote to play FlightGear, an open source flight simulator for Linux-based systems. Video after the jump.
The Wiimote has three accelerometers for the three axes. I’ve modified slightly the WMD script to send the X and Z force to the uinput device as the absolute coordinates. jscal then takes care of the calibration of the two axes. On the FlightGear side all I need is to write a joystick definition XML for the Wiimote. I’ve also made the ‘B’ button to be the modifier