Arduino Uno R3 Product Overview | Digi-Key Daily
Digi-Key Daily previews the Arduino Uno R3. Arduino's Uno R3 is an inexpensive and easy-to-use microcontroller that offers designers a simple development option. It is based on the ATmega328 8-bit, 16 megahertz microcontroller. Measuring at just 2.7 by 2.1 inches, the Arduino Uno R3 is small, but still may be used for permanent projects at any level of expertise. The Arduino Uno R3 is available at Digi-Key: http://www.digikey.com/en/product-highlight/a/arduino/uno-mcu-board.