Mounting a small ultrasonic sensor to a continuous rotation servo

  • #1
Jae
10
0

Main Question or Discussion Point

I'm an Arduino electronics hobbyist I'm not a professional electrical engineer.

How would I mount a small ultrasonic sensor on a continuous rotation servo, without tangling the wires? How would I fix this problem easily and what's the most common way to mount electronics in a rotating object?

Sensor: https://www.amazon.com/gp/product/B008U13URQ/?tag=pfamazon01-20

Thank you for your time.
 
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Answers and Replies

  • #3
Averagesupernova
Science Advisor
Gold Member
3,572
578
Rotary transformer might solve your issue.
 
  • #4
berkeman
Mentor
56,893
6,863
Or battery power and Bluetooth Low Energy (BLE) to link the data...
 
  • #5
702
34
Rotary transformers can be found in old VCRs. They coupled the spinning video head to the signal processing section. I wouldn't guess that a single winding would have sufficient magnetizing inductance for your frequency, but many of these had four windings that could be jumped in series for a much lower frequency response.
You might also mount the transducer facing up (or down), and use a reflective shape that is spinning on the servo to direct it sideways.
 

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