HC-SR04 Ultrasonic Sensor has two eyes like projects in the front which forms the transmitter and Receiver. The ultrasonic sensor uses sonar to determine the distance to an object like bats or dolphins do. This module is a transmitter, a receiver, and a control circuit in one single pack!! It has very handy and compact construction. It offers excellent range accuracy and stable readings in an easy-to-use package.
See how Ultrasonic works!
|Dimensions||5 × 3 × 2 cm|
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