Controller Redesign

The controller code for the game has been completely redesigned and is now based on 1 accelerometer and 2 buttons.  The two buttons handle throttle and reverse,  while the accelerometer is used for turning purposes.  What this allows for is for the user to have tactile feedback for his throttle, and not have to work about dipping his controller both forward and to the left or right.  With that prior method, the sensor values would not produce good results when the camera was dipped in both directions.  Now, the controller can receive good readings for 1 axis of turning, and the robot is more responsive to the user’s input.

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