Arduino radar style scanning ultrasonic sensor Arduino object detection radar 0-180°
This project is based on an Object Detection Radar System which uses an Ultrasonic Sensor mounted on a Servo Motor controlled by an Arduino Uno. The servo motor continuously rotates from 0° to 180° to scan the surroundings, similar to a radar system. When any object comes within the sensing range (40 cm), the ultrasonic sensor detects it, and the servo motor immediately stops at that specific angle. The system then displays the detected object’s distance and angle on the I2C Display.
Original price was: ₹4,499.00.₹3,499.00Current price is: ₹3,499.00.
This project implements a compact object‐detection radar system using the Arduino Uno platform, an ultrasonic distance sensor, a servo motor and an I²C display. The ultrasonic sensor is mounted on the servo shaft and continuously sweeps through an angular range (0° to 180°) to scan the environment, similar to how a radar antenna sweeps its beam. At each angular step, the sensor emits an ultrasonic pulse and measures the return echo time to compute the distance to any object in the path.
When an object falls within a pre‐set sensing range (for example, 40 cm), the servo motion immediately stops at the current angle. The system then captures the angle of detection and the measured distance, and displays this information in real time on an I²C‐connected LCD (or OLED) display. Thus, the user can see both how far the object is and at what angle relative to the scanning baseline it was detected.
The scanning mechanism and the display feedback together give the impression of a miniature radar: the servo acts as the rotating beam, the ultrasonic sensor as the “radar pulse emitter/receiver,” and the I²C display as the output unit providing relevant data. The system is useful in obstacle detection, robotics, security or automation tasks where spatial awareness is required within a short range.
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