The user interface, of the overall system, is provided using the custom-made android app using Graphical User Interface (GUI). The GUI provides user, the various control modes, to Control dynamically the robot unit. When the app is started, we first establish the connection between the app and RC unit using Bluetooth. The Bluetooth and app are paired is easy to control the robotic car, which is also used to send the data to get the current temperature of the environment. The GUI of android provides a user-friendly real-time experience to the user, to control the robot.