ARC Pro

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ARC Pro is more than a tool; it's a creative playground for robot enthusiasts, where you can turn your wildest ideas into reality.

PRO
Belgium
#2  

i tested it works but what is that sound

PRO
Synthiam
#4  

Ultrasonic sensor uses sound. You're hearing the tick of the speaker that generates the ultrasonic sound

United Kingdom
#6  

I could hear mine too when I'm close to it. I'm guessing the frequency is just below the ultrasonic range (or we have ultrasonic ears!).

PRO
Belgium
#7  

danbachmann

thanks for telling