An ultrasonic distance sensor uses ultrasonic waves to determine the distance to a target object. This particular ultrasonic sensor module is designed for commercial use and has a high level of performance and reliability. It has a smaller “blind zone” than other similar sensors, meaning it is able to detect objects closer to it, and has a wider sensing angle, allowing it to detect objects from a greater range of angles. In addition, this sensor has the ability to penetrate through certain substances such as smog and dust, allowing it to still function effectively in these conditions.
The ultrasonic sensor has a closed and sealed probe, making it waterproof and dustproof. This makes it suitable for use in harsh and moist environments. The sensor’s signal processing units are integrated within the module, allowing users to easily obtain distance measurements through the asynchronous serial interface. With a 9600 bit/s bandwidth, the sensor can easily communicate with upper-host systems or other microcontroller units (MCUs), reducing the development time for users.
Connection with Arduino

Connection with Raspberry Pi

Beam Directionalities Diagram

A02YYUW Ultrasonic Sensor Diagram

Package Contents

A02YYUW Waterproof Ultrasonic Sensor x1

PH2.0-4P Connector x1

Resources
Product wiki