This part is system movable part. In this part, Raspberry Pi is mobile robot brain. The Raspberry Pi is low cost,
credit card-sized single board embedded system card. It has ARM processor and it uses Linux operating system.
This part is called “Robot” from now on. The system block diagram can be seen in figure 1. After start, system
begins to work. Then, the other components can be separated in three main parts. They are: