Hi,
I think you have confused us by using.
"Tracking Robot Guidance" as your subject
and really wanting
I would like to have the robot car follow me.
Two totally different requests.
You need a transmitter that you carry, probably an Infra Red TX on your belt, and an IR RX that can physically scan its surroundings, on your car, looking for the IR TX, and then driving towards it.
Tom... 