Arduino UNO – Specifications & PINOUT

The Arduino UNO is one of the favourite choice for Arduino projects. It has the most common type and number of ports needed for most of the basic electornic diy projects. This board is the most used and has the largest community with well documented libraries and projects.


Microcontroller TypeATmega328P
Operating voltage5V minimum, 7-12V recommended
Digital Pins14 (6 of them PWM enbaled)
Analog PINS6
DC current maximum20mA for I/O pins, 50mA for 3,3V
Flash Size32 KB (0,5KB used by bootloader)
SRAM size2KB (ATmega328P)
EEPROM1KB (ATmega328P)
Clock Speed16MHz
Size68,6mm * 53,4mm
Arudino Uno Specification


Arduino UNO Pinout

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