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ARDUINO® UNO REV.3

ARDUINO-UNO-R3
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The Arduino Uno is a microcontroller board based on the ATmega328. 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 Atmega16U programmed as a USB-to-serial converter.

Features

  • digital I/O pins: 14 (of which 6 provide PWM output)
  • analogue input pins: 6
  • contains: 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button

Specifications

  • power supply: 6-20 V max. (adapter not included)
  • microcontroller: ATmega328
  • digital I/O pins: 14 (of which 6 provide PWM output)
  • DC current per I/O pin: 40 mA
  • DC current for 3.3 V pin: 50 mA
  • analogue input pins: 6
  • flash memory: 32 kB (ATmega328) of which 0.5 kB used by bootloader
  • SRAM: 2 kB (ATmega328)
  • EEPROM: 1 kB (ATmega328)
  • clock speed: 16 MHz

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Due to constant product improvements the actual product appearance might differ from the shown images. Product images are for illustrative purposes only.

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