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Asked — Edited

Ping Sensor

i just connected the ping sensor with the radar scan,problem i hear a ,
knispering sound comming out the sensor.
is it broken ?

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