Instead, it features the Atmega8U2 programmed as a USB-to-serial converter."Uno" means one in Italian and is named to mark the upcoming release of Arduino 1.0.
The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. 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.
It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. The Arduino Uno Rev3 is a microcontroller board based on the ATmega328 (datasheet). SPI, COM and IIC bus breakout make bus connect easier. For example: 3.3v or 5v IO selectable allow you connect some 3.3v modules (such as XBee) to Freaduino directly. Some visible improvement on hardware make Freaduino UNO more flexible and easier to use. All code, shield and IDE for Arduino UNO Rev3 are also valid on Freaduino UNO. So you can use Freaduino as Arduino UNO Rev3. Freaduino UNO Rev1.8 MB_EFUNO (EF-01001) Arduino UNO Rev3 compatibleįreaduino UNO is an Arduino compatible board.
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