The Arduino Uno is a micro controller board based on the ATmega328. The Arduino Uno Rev 3 is the most used and documented maker board in the world. The Uno R3 contains everything needed to support the microcontroller. Just connected it to your computer or power it up with a AC to DC power supply or battery to start your exploration. The Arduino user community is over 30 million strong.
Arduino Uno Rev3 A000066
Arduino Uno REV3 SMD - RobotShop
Arduino Proto Shield Uno Rev3 TSX00083 Botland - Robotic Shop
It can be plugged directly into the Arduino controller. Newest Vision UNO R3 compatible. It offers a reliable and convenient solution for connecting
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007 : Electronics
Arduino Uno WiFi Arduino Documentation
The Arduino UNO Rev3 is perfect to start with: flexible, robust, durable, and standard. Ideal for beginners: well documented; lots of projects to get
Arduino UNO SMD REV3 [A000073]
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007 : Electronics
It can be plugged directly into the Arduino controller. Newest Vision UNO R3 compatible. It offers a reliable and convenient solution for connecting
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007
ARDUINO UNO WiFi REV2 — Arduino Official Store
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007 : Electronics
Arduino UNO SMD REV3 [A000073] : Electronics
Gikfun Screw Shield Expansion Board for Arduino Uno R3 EK7007
Gikfun Screw Shield Expansion Board for Arduino UNO R3 EK7007 : Electronics
Screw Terminal Block Breakout Shield Module for Arduino UNO R3: : Industrial & Scientific