This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for datasheets and the simply curious.
Description: Replacement: None. We are no longer carrying this retail Arduino in our catalog. We still carry the non-retail version here, and offer our SparkFun RedBoard in retail packaging here. This page is for reference only.
This is the same product as the Arduino UNO R3. The difference is this version comes in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap. An Arduino quickstart guide is available!
Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux).
This is the new Arduino Uno R3. A few changes have been made including the addition of SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In the future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. This version also includes a stronger reset circuit and an ATmega16U2 in place of the 8U2. Please see the Arduino support forum for more information about this new board revision and bootloader.
Can’t decide which Arduino is right for you? Arduino buying guide!
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