No need for a servo controller. What you do need is a good power source for the servo's. The 5V from the Arduino can not supply a lot, and when powered from 12V via the jack it's bugger all.
For the new supply, think of 1A per moving servo.
No need for a servo controller. What you do need is a good power source for the servo's. The 5V from the Arduino can not supply a lot, and when powered from 12V via the jack it's bugger all.
For the new supply, think of 1A per moving servo.