Briefly introduced: Arduino Uno (R3)

The Arduino Uno is a development board with the ATMEL ATmega328P chip in a DIP package. It has an USB port, which is provided by an additional ATmega16U.

Arduino Uno (R3)

Arduino Uno (R3)


  • ATMEL ATmega328 processor with 32KB Flash (of which 0.5 KB are used by the bootloader)
    2KB SRAM, 1KB EEPROM, clocked at 16MHz
  • 14 digital inputs and outputs, including 6 with PWM support
  • 6 analog inputs
  • USB port, through separate ATMEL ATmega16U2, upgradable by a separate ISP-Connection

Example Arduino projects:


eBay: Arduino Uno
Uno R3
Amazon: Arduino Uno
Uno R3