Trying to figure out power for a Quadruped Robot

[johnerrington]

@viperlaker

but as of now, we have the following components:

Arduino UNO R4 WiFi
DROK DC Buck Converter, 5.3V-32V to 1.2V-32V 12A Adjustable Power Supply
Zeee 7.4V Lipo Battery 2S 50C 5200mAh
HiLetgo PCA9685 16 Channel 12-Bit PWM Servo Motor Driver
8 SSERVO DS3225MG 25KG Waterproof Metal Gear Digital Servos

I looked in vain to see where you have posted links to the components you have chosen.

eg (my guesses)

PCA9685.pdf

Goolsky DSSERVO DS3225 25KG Metal Gear High Torque Waterproof Digital Servo for...

I suggest you read this

How to get the best out of this forum

See also FAQ - Arduino Forum for general rules on forum behavior and etiquette. Hello, Welcome to the Arduino Forum. This guide explains how to get the best out of this forum. Please read and follow the instructions below. Being new here you might think this is having rules for the sake of rules, but that is not the case. If you don’t follow the guidelines all that happens is there is a long exchange of posts while we try to get you to tell us what we need in order to help you, which is frus…

and this

How to make a schematic you can post.

When you submit a question on the forum you will usually need to add a schematic (circuit diagram). The tutorial that follows will explain some ways to create a useful image; however lets start by explaining how to add the image to your post. Its easy. Having created the image all you need to do is : Save the image somewhere convenient - maybe your desktop Start your post, and place the cursor (insertion point) where you want the image to be shown; [upload image to forum] 3: click th…

@jremington

the PCA9685 control board can't handle 16 Amperes

As @jremington says, I suspect your components are mismatched.