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Freaduino Uno Microcontroller Board

List price: £19.32
£14.49
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Freaduino UNO is  an Arduino compatible board. It is based on Arduino UNO Rev3 design. So you can  use Freaduino as Arduino UNO Rev3 . All code, shield and IDE for Arduino UNO  Rev3 are also valid on Freaduino UNO.

Some visible improvement on hardware make Freaduino UNO more flexible and easier to use. For example:

  • 3.3v or 5v IO  selectable allow you connect some 3.3v modules (such as XBee) to Freaduino directly.
  • SPI, COM and IIC bus breakout make bus connect easier.

The Arduino Uno Rev3 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 crystal oscillator, 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 Atmega8U2 programmed as a USB-to-serial converter.

The Freaduino is directly compatible with the Octopus plug in sensors.

Features

  • Inherits all of Arduino Duemilanove's features.
  • Compatible to Arduino UNO/Duemilanove’s pin layout, screw hole and dimensions.
  • 3.3V or 5v Operating Voltage selecable
  • More visible location of Indicator LEDs
  • Wide range external input from 7~23V DC
  • UART/IIC and SPI interface breakout
  • Evolved with SMD components
  • Digital I/O pins 14 (of which 6 provide PWM output)
  • Flash memory 32 KB of which 0.5 KB used by bootloader
  • SRAM 2 KB
  • EEPROM 1 KB
  • Clock speed 16 MHz
  • 68mm x 53mm

 

The Arduino Uno R3 requires the Arduino 1.0 drivers folder in order to install properly on some computers. R3 can be programmed in older versions of the IDE. However, the first time using the R3 on a new computer, you will need to have Arduino 1.0 installed on that machine. If you are interested in reading more about the changes to the IDE, check out the official Arduino 1.0 Release notes!

The Arduino reference design can use an Atmega8, 168, or 328, Current models use an ATmega328, but an Atmega8 is shown in the schematic for reference. The pin configuration is identical on all three processors.

 

 

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