Brandnew MBot - Ultrasonic sensor does not work


#1

I bought a new mBot robot via ebay. The ultrasonic sensor does not work, it does not avoid obstacles. I tried with coding to read the distance. The distance is always 400 unless I am very close (closer than 1 cm). What should I do to make it work?


#2

Hello Siyamalan,
Sorry for the delay, and is the issue solved?
I have sent you a guidance on how to test the ultrasonic sensor, could you test again?
And please take a clear picture of the module for me, both sides please.

By the way, when and where did you purchase the kit? Have the invoice?


#3

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