A0221AU Waterproof Ultrasonic Distance Sensor

The A0221AU Waterproof Ultrasonic Distance Sensor is a reliable and high-precision distance measuring module designed for outdoor and industrial environments. Unlike standard ultrasonic sensors, the A0221AU features a waterproof transducer, making it ideal for water level measurement, obstacle detection, smart agriculture, robotics, parking systems, and industrial automation applications.

This ultrasonic ranging sensor uses sound waves to accurately detect the distance between the sensor and an object. Its waterproof design allows stable operation in humid, dusty, rainy, and harsh environmental conditions where traditional sensors may fail.

For students, engineers, and IoT developers in Bangladesh, the A0221AU is an excellent choice for Arduino, ESP32, STM32, Raspberry Pi, and other microcontroller-based projects requiring reliable distance measurement.

Features:

✔ Waterproof ultrasonic transducer

✔ High accuracy distance measurement

✔ UART serial output interface

✔ Suitable for outdoor environments

✔ Long measuring range

✔ Low power consumption

✔ Compatible with Arduino, ESP32, STM32, Raspberry Pi

✔ Ideal for tank level monitoring

✔ Industrial-grade stability

✔ Easy integration into IoT projects

Specifications:

Applications
Water Tank Level Monitoring
Measure water levels in overhead tanks, reservoirs, ponds, and industrial containers.
Smart Agriculture
Monitor irrigation systems and liquid storage tanks for automated farming.
Robotics and Obstacle Avoidance
Use in autonomous robots, AGVs, and smart navigation systems.
Industrial Automation
Perfect for distance sensing and object detection in factories and warehouses.
Smart Parking Systems
Detect vehicle presence and parking space occupancy.
IoT Projects
Integrate with ESP32, Raspberry Pi, and cloud platforms for remote monitoring.

Why Buy A0221AU from BDElectronics?

BDElectronics provides genuine electronic components and development modules for students, engineers, makers, and industrial users across Bangladesh. We offer reliable products, competitive pricing, and technical support for electronics and IoT projects.

Package Includes:

1 × A0221AU Waterproof Ultrasonic Distance Sensor