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2 Features 2.1 General Specifications Overview The Arduino Due is a versatile micr ocontroller boar d designed for a wide range of applications. Po wered b y the Atmel SAM3X8E ARM Cortex-M3 CPU , it oﬀers high performanc…

1 Application Examples

The Arduino Due combines the performance of the Atmel SAM3X8E microcontroller with the ﬂexibility of the

Arduino platform, oﬀering a versatile solution for developers, hobbyists, and professionals alike. With its 32-bit

architecture and clock speed of 84 MHz, the Due delivers robust performance for demanding applications.

Embedded Systems Development: The Arduino Due can be utilized to create a real-time data acquisition

system for monitoring and analyzing environmental parameters in industrial settings. By interfacing sensors

such as temperature, humidity, and pressure sensors with the Due's abundant I/O pins, developers can capture

real-time data and process it using the Due's powerful microcontroller. The system can then transmit this data

wirelessly or via USB to a host computer for analysis, allowing for continuous monitoring and remote

management of critical processes.

Robotics: The Arduino Due can serve as the brain of an autonomous mobile robot capable of navigating and

interacting with its environment. By integrating sensors such as ultrasonic range ﬁnders, gyroscopes, and

encoders, developers can equip the robot with perception capabilities to sense its surroundings and detect

obstacles. Using the Due's abundant I/O pins and powerful processing capabilities, algorithms for localization,

mapping, and path planning can be implemented to enable autonomous navigation. Additionally, actuators

such as motors or servos can be controlled by the Due to execute motion commands, allowing the robot to

move and manipulate objects in its environment autonomously.

3D Printing & CNC Machines: The Arduino Due can function as a versatile controller for DIY projects. By

interfacing stepper motor drivers and end-stop switches with the Due's numerous I/O pins, enthusiasts can

create their own 3D printers or CNC machines. The Due's high-speed processing capabilities enable precise

control of stepper motors for accurate positioning and movement.

Prototyping: The Arduino Due serves as an invaluable tool for quickly iterating and testing new ideas for IoT

devices. By leveraging the Due's extensive I/O capabilities and compatibility with various sensors,

communication modules, and actuators, developers can rapidly assemble and test prototypes of IoT devices.

Whether it is a smart home sensor node, a weather station, or a remote monitoring system, the Arduino Due

provides a ﬂexible platform for integrating components, writing ﬁrmware, and validating functionality. With the

Due's support for Arduino libraries and easy-to-use development environment, prototypers can focus on

innovation and experimentation, accelerating the process of bringing ideas to fruition.

Arduino® Due

5 / 50 Arduino® Due Modiﬁed: 15/09/2026

2 Features

2.1 General Specifications Overview

The Arduino Due is a versatile microcontroller board designed for a wide range of applications. Powered by the

Atmel SAM3X8E ARM Cortex-M3 CPU, it oﬀers high performance and a robust set of features, making it suitable for

complex projects. The Due's 32-bit architecture provides enhanced processing capabilities compared to traditional

Arduino boards. Designed with a similar form factor to the Arduino® Mega, it maintains compatibility with most

Arduino shields through its extensive set of I/O pins and headers. The following table summarizes the board's main

features.

Feature Description

Microcontroller Atmel SAM3X8E ARM Cortex-M3 32-bit ARM Cortex-M3 / 84 MHz Clock speed

Memory SAM3X 512 KB Flash / 96 KB SRAM (divided into two banks: 64 KB and 32 KB)

USB-to-serial ATmega16U2 connected to the SAM3X hardware UART

Digital Inputs Digital Inputs not 5 V compatible (x54)

Analog Inputs The Due's analog inputs pins measure from ground to a maximum value of 3.3 V (x12)

PWM Pins PWM Pins with 8 bits resolution (x12)

Communication UART (x4), I2C (x2), SPI (x1 SPI header), Native USB port (x1), Programming USB port (x1)

Power Input voltage (VIN): 7-12 VDC / DC Current per I/O Pin: 8 mA

Dimensions 101.6 mm x 53.34 mm

Weight 36 g

Operating Temperature -40 °C to +85 °C

Certiﬁcations CE/RED, UKCA, FCC, IC, RCM, RoHS, REACH, WEEE

2.2 Microcontroller

Component Details

Atmel SAM3X8E 32-bit ARM Cortex-M3 at 84 MHz

Flash Memory 512 KB

Programming Memory 96 KB SRAM (divided into two banks: 64 KB and 32 KB)

Arduino® Due

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2.3 Inputs

Characteristics Details

Number of inputs 54x digital inputs, 12x analog inputs

Inputs overvoltage protection Yes

Antipolarity protection Yes

2.4 Outputs

Characteristics Details

DAC1 and DAC2 True analog output 12-bits resolution (4096 levels)

PWM outputs 12x PWM outputs

3 Accessories

USB Cable Type-A Male to Micro Type-B Male (Not included)

4 Related Products

Arduino Mega Proto Shield Rev3 (A000080)

Arduino 4 Relays Shield (A000110)

Arduino Motor Shield Rev3 (A000079)

5 Rating

5.1 Recommended Operating Conditions

Symbol Description Min Typ Max Unit

Input voltage from VIN pad 6.0 7.0 16 V

USB

Input voltage from USB connector 4.8 5.0 5.5 V

Input high-level voltage

0.7*V

Input low-level voltage 0

0.3*V

Operating Temperature -40 25 85 °C

Note: V

controls the logic level and is connected to the 3.3 V power rail. V

AREF

is for the analog logic.

Arduino® Due

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