PCB blueprints and other electrical things PCB Article links: The story of how UCR RoboSub SeaDragon PCB's came to be
Buck Converter PDB Story: https://www.hackster.io/LevithianSub/buck-converter-pdb-9757d3
Arduino Mega Peripheral Board Story: https://www.hackster.io/LevithianSub/arduino-mega-peripheral-board-a77800