Arduino Uno Rev3 Pinout

Arduino Uno Rev3 pinout diagram with 14 digital I/O pins, 6 analog inputs, 6 PWM pins, SPI, I2C, and USART support

The Arduino Uno Rev3 is a microcontroller board based on the ATmega328. It is the most famous boards in the whole Arduino family and is a versatile platform for hobbyists and professionals alike, due to its ease of use and user-friendly interface. The following are some of the key features and technical specifications of the Arduino Uno Rev3:

  • Based on the ATmega328 microcontroller with 16 MHz clock speed
  • Compatible with a wide range of software development environments
  • 14 digital I/O pins, 6 of which can be used as PWM outputs
  • User-friendly interface with a variety of input/output options including a USB connection, power socket, and ICSP header
  • 32 KB of flash memory for storing code, 2 KB of SRAM, and 1 KB of EEPROM
  • Operating voltage of 5V
  • Extendable via a big ecosystem of extension boards

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