If you know Arduino's you know that it is an open sourced hardware device. This means that reference files and designs are freely provided. This means that high quality boards can be made to the exact same parts, quality, functionality, and compatibility as the official released boards. This is one of those boards 100% compatible with the Arduino IDE and built with the same parts and quality.

This board is built to the specifications of the Arduino Uno R3, which has the following new features:

  • 1.0 pinout: added 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 future, shields will be compatible with both the board that uses the AVR, which operates with 5V and with the Arduino Due that operates with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.
  • Atmega 16U2 replace the 8U2
Not sure what an Arduino is?

The Arduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 programmed as a USB-to-serial converter.

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Uno R3 Arduino Compatible

  • $17.99


  • 10 or more $14.99