Ping Sensor

 
#1

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

#2

If it works it isn't broken.

#3

i tested it works but what is that sound

#4

here a video


#5

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

#6

ah its normal then.

#7

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!).

#8

danbachmann


thanks for telling