This document discusses robots and building a basic robot. It defines a robot as a machine that can be autonomous, programmed, contain microcontrollers, take real-time decisions based on sensors, and interact with other robots/equipment. It recommends development boards like Arduino and Raspberry Pi to build robots and lists common sensors. It then describes a practice project using a Raspberry Pi and Pololu SV-328p board to control a robot that retrieves items from warehouses for online orders. The robot receives commands from the Raspberry Pi through a serial connection and uses motors to navigate between warehouses.