Arduino Due R3 Compatible Board — ARM Cortex-M3, 84MHz

Arduino Due R3 Compatible Board — ARM Cortex-M3, 84MHz

The Arduino Due R3 compatible board is powered by the Atmel SAM3X8E ARM Cortex-M3 processor running at 84MHz — the most powerful board in the classic Arduino lineup. With 54 digital I/O pins, 12 PWM outputs, 12-bit DAC, and 512KB flash, it is ideal for demanding applications requiring high processing speed, large memory, and advanced peripherals. Fully compatible with the Arduino IDE.

Key Specifications

• MCU: Atmel SAM3X8E ARM Cortex-M3 | Clock: 84MHz
• Flash: 512KB | SRAM: 96KB | Operating voltage: 3.3V
• Digital I/O: 54 pins | PWM: 12 channels | Analog in: 12 (12-bit)
• DAC: 2 channels (12-bit) | USB: Native USB + Programming USB
• Interfaces: 4× UART / SPI / I2C / CAN
• Form factor: Arduino Mega footprint compatible
• Compliance: RoHS compliant

Why Choose This?

• ✅ 84MHz ARM Cortex-M3 — 10× faster than Arduino Uno for demanding signal processing tasks
• ✅ 12-bit DAC — true analog output for audio and precision control applications
• ✅ Native USB — act as USB host or device without additional hardware
• ✅ Arduino IDE compatible — use existing Arduino libraries and sketches

Typical Applications

• Audio processing and synthesis projects
• High-speed data acquisition and signal processing
• CNC machine and robot motion control
• USB HID and host device projects