Take the servo + from the power supply, not a controller pin. The tiny conducting strips on the board are not designed for motor currents. They might pop.
It doesn't matter to the Arduino that the power source can supply more current than it requires!!
The Arduino will just take what it needs.
The only thing to beware of is that switch-mode power supplies tend to have a minimum load requirement - and the regulation will be not so good if you don't meet that ...
is there anything I can do. I want controlling 5 servos within the breadboard. I already use PCA9685. turn out. they cant handle 5 servos multiple at once
the First pin from 0 to 6. can work at same times. but to control 12 Servos. its starting jittering or not even working.
Btw I use software name "Bottango" this software is used heavily for Animatronic.
the Dev already stated. if you want to control more than 6 Servos. dont use PCA9685.
there is a lot Data and step from PC into PCA9685.
so its started lagging. and not working.
after that I scale down my project. just use 1 Uno and 2 Nano.
There are NO filter capacitors in a laptop power supply, as I found out. The laptop batteries also perform like filter capacitors. MY test psu only had about 5 volts of DC when operated by itself.