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Problem with sensor readings and servo jitter.

Hi, i am new to LMR and i dont whether this is the right forum for my question. So if i am in the wrong place, plz tell me where i should post this. I am having problems with my ping ultrasonic sensor readings going into the arduino because of the servo on which it is mounted. I added all the required caps and reduced a lot of noise, but still the sensor gives wrong readings. How can i make it work properly.