RADAR is an electromagnetic coordination for the detection and location of targeted objects. A radar transmits pulses of radio waves or microwaves which bounce off any object in its trail. Radars have been used for military application, highway patrol, ballistic missile guidance, airport traffic flow control, navigation, positioning, mapping, spying or tracking and many other solicitations. In this paper we’ve shown how we developed a resourceful cost efficient tech using basic components that reflects all the possible techniques a radar consists of. It uses ultrasonic sensors to identify objects in range and passes the data to Arduino microcontroller. Arduino UNO board is sufficed to control ultrasonic sensor, the movement of it and also to interface the sensor with digital display. The prototype of the system is implemented and coding for Arduino control is developed Experimental results show that the system can detect objects within the range with high accuracy and perfect for indoor applications.