Uno R3 es una tarjeta de desarrollo que utiliza el microcontrolador ATmega328P(Atmel/Microchip), es la versión más recomendada para iniciarse en esta plataforma
Arduino Uno Rev 3 with 7 Arduino UNO Projects - DFRobot
Arduino Uno R3 SMD Development Board - Arduino
Arduino Uno Rev3
Arduino Uno Rev3 R3 Module Board Microcontroller + USB Cable
500ma ARDUINO UNO R3 ORIGINAL DEVELOPMENT BOARD, For Learning, For Home & Industry at Rs 350/piece in Tiruvallur
Arduino UNO R3 Microcontroller Board
Sintron] UNO R3 board with Ethernet Shield W5100 + PDF for Arduino AV – Sintron Technology
Atmega328p Development Board + 9V 1A Power Supply Compatible with Arduino UNO R3
Arduino Uno R3 Board with BLUE USB Cable
Compatible with Arduino UNO R3 Official Board, KidsRobot UNO Rev3 with ATmega328P CHIP : Electronics
Arduino Uno Rev3 - ProteShea
Elegoo UNO R3 Controller Board - 3DJake International