Arduino Uno R3

Discontinued.

Arduino Uno - R3 SMD - DEV-11224 - SparkFun Electronics

No 5V+ from Arduino Uno R3 - Motors, Mechanics, Power and CNC - Arduino Forum

Arduino UNO R3 SMD Clone ATmega328 CH340 — KKSB Cases

Arduino UNO R4 Minima Development Board - DFRobot

Elegoo UNO R3 Ultimate Starter Kit, 1 set - 3DJake International

Arduino Uno - Geeetech Wiki

Arduino Uno R3 Microcontroller

Arduino UNO R3 and R4 Minima

ELEGOO Uno Project Super Starter Kit with Tutorial and Uno R3 Compatible with Arduino

Arduino UNO R3 board with DIP ATmega328P

Uno R3 SMD with CH340 USB - ProtoSupplies

Arduino Uno WiFi Arduino Documentation

Arduino UNO Rev 3: high-resolution pinout, datasheet, and specs – Renzo Mischianti

Arduino UNO R3 CH340G ATmega328(SMD)

TZT Arduino Official UNO R3 Development Board ATmega328P