Working with Arduino Boards in Altium Designer Moving between schematic and layout in Altium Designer. Incorporating Arduino in Your Schematics. PCB design begins with an electronics schematic that shows how all your component link together to form a complete, functional device. This document is more than just a drawing; your PCB design software needs extensive component libraries in order Relay | Online Documentation for Altium Products Altium TechDocs are online documentation for Altium products, providing the basic information you need to get the most out of our tools. Discover features you didn't know existed and get the most out of those you already know about.