Ultrasonic sensor obstacle ahead

#1

Hello,

I’m using the new mBlock beta software with mBot Ranger and I saw the obstacle ahead
image
but I can’t find anywhere at was distance this block works.
Does anyone know where can I find this info, or at what distance does it work?

Thanks! :slight_smile:

#2

when distance < 20 cm, it works. You can get it from Arduino C code in the right column.
image

#3

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