Build an Arduino Uno R3 From Scratch Part 1

In part one, we'll take the schematic for the Arduino Uno R3 and identify the major subsystems that will need to be replicated.

MAKE Getting Started With Arduino Kit UNO R3 Board Breadboard Jumpers Makershed for sale online

DIY Arduino UNO v1.0 - Schematic and PCB Layout - Arnab Kumar Das

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DIY ATmega328P CH340G Arduino Compatible UNO R3 Board

UNO R3 ATmega328P Development Board DIY Soldering Parts

Make your own ARDUINO UNO - Part 3

Simple Arduino Synthesizer Build

Keywish Scratch Starter Kit,Super Base Sensor Modules Kit Based on Arduino UNO R3 ATmega328P with 30 Lessons Tutorial Compatible with Arduino IDE Mixly Mblock Graphical Programming : Electronics

Arduino from Scratch Part 9: 16MHz Crystal Oscillator

Raspberry Pi or Arduino? One Simple Rule to Choose the Right Board