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Feature

Installed offical ATMEL chip ATmega328p which same with the original Arduino UNO r3
100% compatible with the official version Arduino UNO R3 board and the IDE software
Uses ATmega16U2 instead of ATmega8U2 chip, runs faster and more memory
Includes new pin configuration SCL, SDA, IOREF, well made with protective bubble package.
If you looking for other parts work with arduino uno, here's a all-in-one ultimate starter kit may fit your need (ASIN:B075QZV7ZM) which includes detailed PDF kit tutorial.

Description

100% compatible with Arduino UNO R3 board and the IDE software
Chip Microcomputer: ATmega328
Working Voltage: 5 v
The input voltage(recommended)7-12 V
The input voltage (range) : 6-20 V
Digital I/O pins: 14 (including six for PWM output)
Analog input pins: 6
Each of the DC Current I/O
Pins: 40 Ma, 3.3 V
DC Current pin: 50 Ma

IDUINO UNO R3 board is a 100% Arduino Compatible development board, microcontroller board based on the ATmega32

In the past few years the Arduino has taken the electronics world by storm. everyone from hobbyists to professional engineers is making use of its limitless versatility,and it's not just for tech-heads,it's easy to learn programming has made the Arduino a hit with artists and educators as well.

we have product the orange version recently, the quality is the same with blue version .You can rest assured purchase.