Ultrasound sensor A01NYUB blue LED blink
![userHead](https://dfimg.dfrobot.com/dfPortrait2.png)
The blue LED is flashing very fast (like 10 times/second). Is that an error code? I haven't found any documentation about it.
The blue LED is flashing very fast (like 10 times/second). Is that an error code? I haven't found any documentation about it.