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The Arduino UNO R3 compatible microcontroller board is based on ATMEGA328P. It contains everything needed to support the micro controller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

Upgraded UNO R3

100% compatible to Arduino, works with the software at

ATMEGA328P CH340G Main Chip

Completely solves the traditional incompatible and instability of the UNO R3 to Windows 7/8 system.

Meet Different IO Expansion Requirements

Temperature humidity sensor, Xbee module, BT Bluetooth module, RF module, GPRS module, GPS module, LCD shield and so on.

Easy to Use

Plug development board, the driver will be automatically installed.


Microcontroller ATMEGA328P
Product Weight 25g
Product Size 7 x 5.5 x 2 cm
Package Contents 1 x UNO R3 ATmega328P CH340 Development Board, 1 x USB Cable, 1 x Straight Pin Header

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