may be adapter cause it. because when i supply from adapter there are more distortions and vibrations.joan wrote:I can't see anything wrong.
I've used similar set-ups without problem.
joan wrote:It should work then. Perhaps you just have a faulty servo.
yes. i have to feed from rp. thank you.joan wrote:If they don't have the same ground the control signal will not work. You need to connect a Pi ground to the servo ground (perhaps at the power supply -ve).