This 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.
There are two ways to wire up the steering on the
remote control. In the first method pictured above, 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
other wiring method (see the programming instructions), the steering
wheel acts as a rotation sensor for the NXT, and the NXT then controls
the steering motor by program control through a different wire. |