Hi, I'm currently working on making an animatronic hand that when I bend a flex sensor, a servo pulls a string which pulls a finger.
I was able to get one finger to work flawlessly, however, when I insert another servo, it loses power. I am currently using MG995 Servos. The way that the original servo was getting power was through a wall adapter (120V ---> 7V) which I cut the end off to form positive/negative leads. When I tried hooking up the 2nd servo to the same power supply, they both performed much worse.
Why does this happen and what can I do to power multiple servos without the performance going down?