In this Arduino tutorial I will show you how to use the HC-SR04 ultrasonic sensor and integrate it with an LCD display, so that it can display the distance between the sensor and certain objects.
Materials Needed:
- Arduino UNO
- Breadboard
- 16 x 2 LCD Display
- HC-SR04 Ultrasonic Sensor
- 10K Potentiometer (Comes with LCD display linked above)
- Jumper Cables”

Link