An Arduino-based radar system using ultrasonic sensor, servo motor and Processing GUI - imdpk96/Ultrasonic-Radar-Scanner. Skip to content. Navigation Menu Toggle navigation. Sign in ... HC-SR04 ...

The project merges an ultrasonic sensor and servo motor using Arduino Uno. The sensor detects object distance, enabling the Arduino to modify the servo motor's speed accordingly. As objects come ...

With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle he’s made a device which can warn people around you if they’re too close for comfort.