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 High Performance: ARM Cortex-M3 core with 84 MHz clock speed for intensive computational tasks. Large Memory: 512 KB of Flash memory and 96 KB of SRAM for complex applications and data storage. Rich I/O Options: 54 digital I/O pins, 12 analog inputs, and 2 DAC outputs for versatile connectivity. Native USB Capability: Can act as a USB host, allowing for the connection of USB devices such as mice, keyboards, and smartphones. Flexible Power Supply: Can be powered via USB or an external power source, with an on-board voltage regulator. Dual CAN Interfaces: Allows for CAN bus communication, widely used in automotive and industrial applications. Usage Considerations 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. Software Compatibility: Some libraries designed for AVR-based Arduinos may not work with the ARM-based Due without modification. Power Supply: Ensure the power supply is within the recommended range to avoid damaging the board. Shield Compatibility: Many shields are compatible with the Due, but ensure they support 3.3V logic levels. Example Projects Robotics: Utilize the processing power and numerous I/O pins for advanced robotics projects. Data Acquisition: Use the high number of analog inputs for complex data acquisition systems. Multimedia: Leverage the fast processing speed and DACs for audio synthesis and processing. Home Automation: Control a large number of sensors and actuators for comprehensive home automation systems. IoT Devices: Connect various IoT modules for creating smart devices that can communicate over the internet. Setup and Programming Installation: Install the Arduino IDE from the Arduino website. Board Selection: Select “Arduino Due (Programming Port)” or “Arduino Due (Native USB Port)” from the Tools > Board menu. Connection: Connect the Due to your computer via the appropriate USB port. 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 Microcontroller: Atmel SAM3X8E ARM Cortex-M3 CPU Operating Voltage: 3.3V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 54 (of which 12 provide PWM output) Analog Input Pins: 12 Analog Outputs Pins (DAC): 2 Total DC Output Current on all I/O lines: 130 mA DC Current for 3.3V Pin: 800 mA DC Current for 5V Pin: 800 mA Flash Memory: 512 KB (of which 8 KB used by bootloader) SRAM: 96 KB (two banks: 64 KB and 32 KB) Clock Speed: 84 MHz USB Ports: Native USB and programming USB CAN Interface: Yes, 2 CAN interfaces Dimensions: 101.52 mm x 53.3 mm Package Includes: 1 Piece– Arduino Due R3 Board – Compatible Model
