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A22 Ultrasonic distance sensor water level detection module AGV car robot obstacle avoidance RS485

A22 Ultrasonic distance sensor water level detection module AGV car robot obstacle avoidance RS485

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Specifications

Brand Name
NONE
High-concerned chemical
None
Origin
Mainland China
Output
standard
Theory
standard
Type
Optical-Electronics Sensor
Use
Temperature Sensor
Material
Metal

Product Description

Output mode:

UART automatic

UART controlled

PWM pulse width

Switching quantity (default 1 m)

RS485

IIC


Operating voltage: 3V-12V

Exploration range: 2-300cm

Temperature: Compensation



Pros & Cons

Pros

  • Multiple output interface options for compatibility with different microcontroller or robotics setups
  • Wide detection range from 2cm to 300cm for versatile use cases
  • Temperature compensation for more accurate sensing readings in varying temperatures
  • Durable metal construction for long-term use in industrial or outdoor settings

Cons

  • Conflicting product specs: listed as a Temperature Sensor but marketed as a distance/water level sensor, causing buyer confusion
  • No information on installation mounting hardware included in the package
  • Default switching quantity mode is set to 1m, which may not align with all user needs without configuration
  • No full technical datasheet provided for advanced users

Common Questions

What material is this ultrasonic distance sensor made of?

This sensor module is constructed from metal for durable, long-lasting use in industrial or robotics applications.

What output interfaces and operating voltages does this sensor support?

This sensor supports multiple output modes including UART (automatic and controlled), PWM pulse width, switching quantity, RS485, and IIC, with an operating voltage range of 3V to 12V.

What are the primary uses for this ultrasonic sensor module?

This sensor is designed for distance detection, water level detection, AGV car obstacle avoidance, and robotics navigation applications, with temperature compensation for accurate readings.

What is the detection range of this A22 ultrasonic sensor?

The sensor has a detection range of 2cm to 300cm, making it suitable for both short and medium-distance sensing tasks.

Are there any special shipping restrictions for this product?

There are no publicly listed special shipping restrictions for this ultrasonic sensor module at this time.

Product information last updated on February 20, 2026