Arduino Due R3 Board – Compatible Model

The Arduino Due is a powerful microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU, designed for complex projects that require a lot of computational power and many I/O pins. It is compatible with most shields designed for the Arduino Uno, though the 3.3V operating voltage needs to be considered.

Key Features

1. High Performance: ARM Cortex-M3 core with 84 MHz clock speed for intensive computational tasks.
2. Large Memory: 512 KB of Flash memory and 96 KB of SRAM for complex applications and data storage.
3. Rich I/O Options: 54 digital I/O pins, 12 analog inputs, and 2 DAC outputs for versatile connectivity.
4. Native USB Capability: Can act as a USB host, allowing for the connection of USB devices such as mice, keyboards, and smartphones.
5. Flexible Power Supply: Can be powered via USB or an external power source, with an on-board voltage regulator.
6. Dual CAN Interfaces: Allows for CAN bus communication, widely used in automotive and industrial applications.

Usage Considerations

1. Voltage Compatibility: Unlike many other Arduino boards, the Due operates at 3.3V. Connecting 5V devices directly to its I/O pins can damage the board.
2. Software Compatibility: Some libraries designed for AVR-based Arduinos may not work with the ARM-based Due without modification.
3. Power Supply: Ensure the power supply is within the recommended range to avoid damaging the board.
4. Shield Compatibility: Many shields are compatible with the Due, but ensure they support 3.3V logic levels.

Example Projects

1. Robotics: Utilize the processing power and numerous I/O pins for advanced robotics projects.
2. Data Acquisition: Use the high number of analog inputs for complex data acquisition systems.
3. Multimedia: Leverage the fast processing speed and DACs for audio synthesis and processing.
4. Home Automation: Control a large number of sensors and actuators for comprehensive home automation systems.
5. IoT Devices: Connect various IoT modules for creating smart devices that can communicate over the internet.

Setup and Programming

1. Installation: Install the Arduino IDE from the Arduino website.
2. Board Selection: Select “Arduino Due (Programming Port)” or “Arduino Due (Native USB Port)” from the Tools > Board menu.
3. Connection: Connect the Due to your computer via the appropriate USB port.
4. Programming: Write and upload your sketch using the Arduino IDE. Ensure any libraries used are compatible with the Due’s architecture.

The Arduino Due R3 provides a significant step up in performance and capability compared to the more common AVR-based Arduino boards, making it suitable for more demanding applications.

Technical Specifications

1. Microcontroller: Atmel SAM3X8E ARM Cortex-M3 CPU
2. Operating Voltage: 3.3V
3. Input Voltage (recommended): 7-12V
4. Input Voltage (limits): 6-20V
5. Digital I/O Pins: 54 (of which 12 provide PWM output)
6. Analog Input Pins: 12
7. Analog Outputs Pins (DAC): 2
8. Total DC Output Current on all I/O lines: 130 mA
9. DC Current for 3.3V Pin: 800 mA
10. DC Current for 5V Pin: 800 mA
11. Flash Memory: 512 KB (of which 8 KB used by bootloader)
12. SRAM: 96 KB (two banks: 64 KB and 32 KB)
13. Clock Speed: 84 MHz
14. USB Ports: Native USB and programming USB
15. CAN Interface: Yes, 2 CAN interfaces
16. Dimensions: 101.52 mm x 53.3 mm

Package Includes:

• 1 Piece– Arduino Due R3 Board – Compatible Model