I am quite new to electronics, and especially PCB Design. I want to have two barrel jacks for DC input to my circuit, wired in parallel, but want clarification on my circuit design. The idea is that the amps will increase, to power an ATMEGA64, as well as motors, sensors, etc. more effectively.

Here is a drawing of what I think the circuit should look like. Please provide feedback.
[![enter image description here](https://i.stack.imgur.com/cSaSz.jpg)](https://i.stack.imgur.com/cSaSz.jpg)

Thank you for the help in advance!