Overview

The Ultrasonic module detects the distance of the closest object in front of the sensor (from 2 cm up to 400cm). It works by sending out a burst of ultrasound and listening for the echo when it bounces off of an object.

Features

• Operating voltage : +5V

• Static current : < 2mA

• Detection angle : < 15°

• Range : 2cm ~ 400cm

• Precision : 0.3cm

Pin Definition

• PIN #1 : VCC

• PIN #2 : Trig

• PIN #3 : Echo

• PIN #4 : Gnd