(how to use this
 (connect your robot to your computer via usb cable)
 (open arduino ide)
 (in arduino ide, open motor.ino)
 (hit the upload button)
 (your robot's wheels should start moving forward slowly)
 (yaay!)
 (you can reverse the direction a motor spins by plugging it into
  the motor controller differently.  take the wires that come out of
  the motor and swap where they plug into the motor controller)
 (yaay!))