Atmega328p schematic arduino kicad uno r3 scratch part subsystem headers Arduino from scratch part 12 – atmega328p schematic Arduino nano schematic on altium (time lapse)
Arduino from Scratch Part 12 – ATMEGA328P Schematic
Altium arduino schematic
Arduino Nano Altium Schematic
Keeping things neat in altium designer schematic view [ arduino pcb Nano altium