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sensor:a0221 [2025/11/13 21:51] – created - external edit 127.0.0.1sensor:a0221 [2026/02/10 19:23] (current) – vamsan
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-====== lamaPLC: A0221AU / A02YYUW Waterproof Ultrasonic Distance Sensor ======+====== lamaPLC: A0221AU / A02YYUW Waterproof Ultrasonic Distance Sensor with UART communication ======
 {{ :sensor:a0221au_1.png?150|A0221AU / A02YYUW Waterproof Ultrasonic Distance Sensor}} {{ :sensor:a0221au_1.png?150|A0221AU / A02YYUW Waterproof Ultrasonic Distance Sensor}}
-The ultrasonic sensor features a closed, sealed probe that is waterproof and dustproof, making it suitable for harsh and moist measuring environments. All the signal processing units are integrated within the module, allowing users to obtain the distance value directly through the Asynchronous Serial Interface. With a 9600 bit/s baud rate, the sensor can easily communicate with the upper host or other MCUs, significantly shortening the development cycle for users.+The ultrasonic sensor features a sealed, waterproof, dustproof probe, ideal for harsh, wet environments. All signal processing components are built into the module, enabling users to read distance directly via the Asynchronous Serial Interface. Operating at 9600 baud, the sensor can connect seamlessly to the main host or other MCUs, significantly reducing development time. 
 + 
 +The DFRobot A02YYUW Waterproof Ultrasonic Sensor (SKU: **SEN0311**) is a durable distance sensor suitable for challenging or humid environments, thanks to its IP67 waterproof and dustproof ratings. It is commonly employed in DIY electronics, robotics, and industrial automation. 
 + 
 +**Key features include** 
 + 
 +  * **Integrated Processing:** All signal processing is performed internally, and the module outputs the final distance value directly via a **UART (serial)** interface. This simplifies the code required for microcontrollers such as Arduino or Raspberry Pi. 
 +  * **Automatic Mode:** The **"U"** in the A02YYUW designation signifies it is the UART version operating in "Automatic Mode," which continuously transmits data that can be read at any time without requiring a trigger signal. 
 +  * **Reliability:** DFRobot states that its closed, separated probe design, combined with strong interference resistance, ensures stable, reliable data output even in smog- or dust-laden environments. 
  
 ===== Specification ===== ===== Specification =====
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-{{tag>A0221AU A02YYUW Waterproof Ultrasonic Distance Sensor UART IP67 serial}}+{{tag>A0221AU A02YYUW Waterproof Ultrasonic Distance Sensor UART IP67 serial SEN0311 DFRobot}}
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