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lamaPLC: 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.
Specification
| Accuracy | ±1 cm |
|---|---|
| Operating Voltage | 3.3 .. 5 V |
| Average Current | <8 mA |
| Blind Zone Distance | 3 cm |
| Detecting Range(Flat object) | 3 .. 450 cm |
| Output | UART |
| Response Time | 100 ms |
| Operating Temperature | -15 .. 60 ℃ |
| Storage Temperature | -25 .. 80 ℃ |
| Reference Angle | 60º |
| Waterproof Grade | IP67 |
Pinout
| red wire | Vcc | Power input (3.3 .. 5 V) |
|---|---|---|
| black wire | GND | GND |
| yellow wire | Rx | Receive |
| white wire | Tx | Transfer |
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