Relying on a motion by using a direct current motor, 4 series to determine the direction of rotation, direction of the car, run goes depends on the sum of the vectors.
The movement relies on four sets of DC motors to determine the direction of rotation of the car. The direction of the run is based on the sum of the vector.
Is relying on the mobile by the DC motor was 4 series. To determine the direction of rotation of the car. The direction of the vehicle running on the sum of the vectors.