Python program

The program is based on the Arduino mega with a python interface using a xbox 360 wireless controller
The streering system uses 2 HB25 motor controllers for and aft there 2 1K pots for controlling the wheel position. The 4 drive motors are controlled by 1 polou dual VNH2SP30 motor driver with encoders for the front wheels to start with. the joy stick control is throttle  left and right ackerman steering with the rear opposite to the front and a straffe mode to move side ways