
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
