Banggood - 1pcs HC-SR04 Ultrasonic Sensor Module
★★★★★
$1.49
Banggood.com
as of January 17, 2021 4:52 pm
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The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package.
Learn how to use the ultrasonic sensor with Arduino: Complete Guide for Ultrasonic Sensor HC-SR04