Do you really have a microservo that runs on 12V? (Usually they run on 5- 6V max....)
If so, the chatter and reset might be caused by a ground loop.
Can you reroute the servo GND to the pin header, where the servo-signal comes from?
-Olaf
If so, the chatter and reset might be caused by a ground loop.
Can you reroute the servo GND to the pin header, where the servo-signal comes from?
-Olaf