alarm using a buzzer. We will explain the basic steps for connecting the components, writing the programming code, and testing the project practically. You will learn how to set up the ultrasonic sensor to read distances in meters or centimeters, and how to activate the buzzer as an alarm when approaching a specific distance. The video is suitable for beginners and professionals who want to learn new skills or improve their projects. Highlights that will be covered: Project components and connection method. Step-by-step explanation of the Arduino code. A practical demonstration of how the sensor and buzzer work. Watch the video to learn how to build this project yourself easily and professionally https://youtu.be/yc5D14P6ONw?si=okxwBdyS5q3BAe3p