This is a multi-disciplinary project. It includes mechanical skills, along with electronic concepts as well as coding techniques. This project is a small articulated arm controlled using potentiometer. Two articulated arms were made. One of the arms had potentiometer at the joints which was controlled by human and other had servo motors at the joints. It is the property of a potentiometer to give variable resistance when it is rotated. This change in resistance is converted into angular motion in the controller which sets specific angle for the servo motor to move simultaneously. The main use of this project is that large machines can be controlled by the controller just by moving small replica of the larger machines kept in the control room. This also helps in accessing the places where human cannot enter.