☄️handhedu⚙️ on Instagram: "Meet this DIY Arduino radar scanning its surroundings using ultrasonic waves and a servo sweep! 🤯📡 Watch this Arduino-based radar system scan and detect objects in real time using an ultrasonic sensor and a servo motor! This DIY electronics project visualizes distance and movement using a sweeping radar interface, making it perfect for beginners, students, tech enthusiasts, and robotics learners. The sensor sends sound waves, measures echoes, and displays the result