@berkeman I am sorry for not giving the exact topic of my mini project. Actually i am new in the physicsforum. I am suppose to submit mini project as an electronic project and its free to choose your own project. So, i have decided to make a robot(car) which has following characteristics...
I have problem in building my mini-project as stated in the topic.I am actually confused how the robot will follow a signal like micro wave or radio wave, this kind of wave just spreads and the robot will get confused where to go.I just want opinion what shall i do that the robot will come to...