Ultrasonic Radar System

Ultrasonic Radar System

Introduction:

    
The Ultrasonic Radar System is a mini project designed to detect obstacles in a specific range using ultrasonic waves. This system is inspired by radar technology, which is commonly used in various applications such as aviation, weather monitoring, and automotive safety systems. The project aims to demonstrate the principle of radar detection in a simplified form using readily available components.






Objective:

The main objective of this mini project is to build a basic radar system that can detect obstacles within a certain range using ultrasonic waves. The system should be able to provide real-time feedback on the presence and distance of obstacles.



Components Used:

1. Arduino Uno (Microcontroller)
2. Ultrasonic Sensor (HC-SR04)
3. Servo Motor (SG90)
4. Breadboard
5. Jumper Wires

Working Principle:

The Ultrasonic Radar System operates by emitting ultrasonic waves from the sensor and measuring the time it takes for the waves to bounce back after hitting an obstacle. The Arduino Uno controls both the ultrasonic sensor and the servo motor. The servo motor rotates the sensor in a specified range to scan the surrounding area. When an obstacle is detected, the Arduino calculates the distance based on the time taken for the ultrasonic waves to return.



Implementation:

1. Mount the ultrasonic sensor on the servo motor to enable it to rotate.
2. Connect the ultrasonic sensor and servo motor to the Arduino Uno using jumper wires.
3. Write a program in the Arduino IDE to control the servo motor's rotation and read distance measurements from the ultrasonic sensor.
4. Upload the program to the Arduino Uno and power the system.
5. The servo motor rotates the ultrasonic sensor, scanning the area for obstacles.
6. When an obstacle is detected, the distance to the obstacle is calculated and displayed.

Results:

Upon successful implementation, the Ultrasonic Radar System is capable of accurately detecting obstacles within its specified range. The system provides real-time feedback on the distance to the obstacle, allowing users to navigate safely.



Conclusion:

The Ultrasonic Radar System mini project demonstrates the application of radar technology using ultrasonic waves. It showcases how simple components can be used to create a functional radar system for obstacle detection. Further enhancements and additions can be made to improve the system's accuracy and range.

References:

- Arduino documentation
- HC-SR04 Ultrasonic Sensor datasheet
- SG90 Servo Motor datasheet

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