GitHub - Mehdi-KHALFALLAH/My-Arduino-UNO-Design: this is my personal Design of the Arduino Uno from scratch in Altium Designer. It includes my project files, 3D models of the components, datasheets, and a complete manufacturing
PCB Design Course - How to make Altium Designer Schematics Library
Altium Designer 19 Schematic Device Missing Pins / Not Showing