I want to know what kind of robot you want to be. If you say that you can avoid obstacles by the car itself, it is complicated. Not only should there be mechanical control of car body movement, that is, motor drive, but also an image recognition and processing system to find the target; Once the goal is determined, it is necessary to determine the obstacles and then plan the path to reach the goal. If high precision is not required, motor control is relatively simple, but image processing and path planning are very difficult. Need a lot of hardware support, usually using high-speed chips such as DSP; Software image processing needs VC, and planning is a pure algorithm.