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Arduino Uno Rev3

The industry standard for prototyping and education. Hover over the components below to explore the architecture of the board.

Interactive Arduino Map
USB Port
Power Jack
Microcontroller (MCU)
Digital Pins
Analog Pins
Power & Ground
Reset Button

Overview

The Arduino Uno is the perfect board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with.

Equipped with the ATmega328P microcontroller, it provides a stable environment for hundreds of libraries and thousands of tutorials online.

Technical Specifications

MicrocontrollerATmega328P
Operating Voltage5V
Input Voltage (recommended)7-12V
Input Voltage (limit)6-20V
Digital I/O Pins14 (6 provide PWM output)
Analog Input Pins6 (10-bit Resolution)
DC Current per I/O Pin20 mA
DC Current for 3.3V Pin50 mA
Flash Memory32 KB (0.5 KB for bootloader)
SRAM2 KB
EEPROM1 KB
Clock Speed16 MHz
LED_BUILTINPin 13
Dimensions68.6 mm x 53.4 mm
Weight25 g