This simple NXT Steering Rover vehicle steers by pivoting its front wheels like a real car, and is controlled by a wired remote control. The remote control has a steering wheel to control the steering, and buttons to make the rover go forward, backward, slower, and faster. Two ways are shown to handle the steering. In the first method, the steering wheel on the remote control is used as an electrical generator to produce and send electrical power directly to the steering motor on the vehicle through a wire, without the NXT even being involved. In this mode, the steering even works when the NXT is off! In the second method, the steering wheel acts as a rotation sensor for the NXT, and the NXT then controls the vehicle's steering motor by program control through a different wire. In the program-controlled steering method, the steering motor on the vehicle is acting like a "servo" motor, which seeks out the desired position as determined by the other motor (the steering whe...