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A Object Radar is a device (Tool) that is used to measure the distance from the object to the device Which is used for the purposes of surveying, determining focus in photography, or getting the information about the location and angle of the object. In this technical project, we had made simple object radar using the ULTRASONIC SENSOR (HC-SR04). This Radar Device works by calculating a distance range from 4 cm to 40 cm with angle range between 15° to 165°. In this device Servo Motor is used for the rotation of the ultrasonic sensor between the angles. "Processing Development Environment" software is used to demonstrate the result on a PC Screen after processing the information received by the Ultrasonic Sensor.