1. At present, the control system mainly adopts single chip microcomputer, AVR commonly used in China and PIC single chip microcomputer commonly used abroad, which is generally programmed in C language.

2. The mechanical system constitutes the framework of the robot. Metal, wood and plastic will do.

3. Electronic system. Various sensors and corresponding motor and steering gear control circuits.

If you want to do it yourself, it's not difficult, but you need to do it step by step. After making the first work, you can consider a higher level of work and participate in the competition.