Arduino Distance Detector with a Buzzer and LED’s

This is a simple guide on how to make a distance detector using an Arduino, a HC-SRO4 Ultrasonic Sensor, a Buzzer, and some LED's.  The ultimate goal of this tutorial is to use the buzzer and LED's to display how far the object is from the ultrasonic sensor. Step 1: Materials Needed The Materials needed for this project are:(1x) Arduino Uno (1x) Breadboard (1x) HC-SRO4 Ultrasonic Sensor (1x) Buzzer (2x) Gre ...

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