The Raspberry Pi-based AI car uses a 4-wheeled Ackerman wheeled robot as motion platform and is equipped with high-performance lidar. In the ROS system under Ubuntu18, test has passed cartographer mapping algorithm. After experiments, it found that algorithm can also present good superior effect Pi platform.

The book covers a wide range of play activities including active games, ̂ games, handicraft, games to help with speech, to stimulate children's imagination pi to help with their development. The book is written sensitively and imaginatively and the first chapter ^ basic needs of retarded children is particularly to be commended; founded on s. q psychological principles yet simply and clearly exp...