Line follower robot is easy to make. creative and simplest robot in Embedded system.A robot which walks without any instructions. it gets instructions by itself from the Sensor. we are using Infrared sensors which act like our sense organs. The IR sensors, sense the colour. IR sensor gives a different value for both colours. So we calibrate the sensors value and input it into the Arduino with some conditions. In this tutorial, you will learn this line follower robot with Arduino and IR sensors. Arduino is the simplest and easy to use a microcontroller. Arduino Based Line follower Robot can make easily.