Arduino Due without Headers

The Arduino Due without Headers is a arduino + microcontroller component used by makers, students and engineers for electronics and embedded-systems projects.

The Arduino Due is the first Arduino board based on a 32-bit ARM core microcontroller - the Atmel SAM3X8E. With 54 digital I/O pins, 12 analog inputs, 4 UARTs, an 84 MHz clock, and USB OTG capability, the Due delivers exceptional processing power for demanding projects. This headerless version gives you complete flexibility to solder your own connectors or integrate directly into custom PCB designs.

Specifications

• Microcontroller: Atmel SAM3X8E (32-bit ARM Cortex-M3)
• Operating Voltage: 3.3V
• Input Voltage (Recommended): 7-12V
• Input Voltage (Limit): 6-16V
• Clock Speed: 84 MHz
• Flash Memory: 512 KB (all available for user applications)
• SRAM: 96 KB (two banks: 64 KB + 32 KB)
• Digital I/O Pins: 54 (12 provide PWM output)
• Analog Input Pins: 12
• Analog Output Pins (DAC): 2

Why Choose Arduino Due without Headers?

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Key Features of Arduino Due without Headers

• 32-bit ARM Power: The SAM3X8E Cortex-M3 running at 84 MHz delivers dramatically more processing capability than 8-bit Arduino boards, enabling complex calculations, real-time signal processing, and multi-tasking
• True Analog Output: Two built-in 12-bit DAC channels let you generate genuine analog waveforms - ideal for audio synthesis, signal generation, and precision motor control without external hardware
• 12-bit ADC Resolution: Read analog sensors with 4096-level precision instead of the standard 1024, capturing finer detail from temperature sensors, load cells, and other analog inputs
• Headerless Flexibility: Without pre-soldered headers, you can solder right-angle headers, spring-loaded connectors, direct wires, or mount the board flush into enclosures and custom PCBs
• Dual USB Ports: The native USB port supports USB OTG, enabling the Due to act as a USB host for keyboards, mice, MIDI controllers, and other peripherals - plus a dedicated programming port for reliable uploads
• Dual CAN Bus: Built-in CAN controllers make the Due ideal for automotive, industrial automation, and robotics applications that require robust multi-node communication
• Massive I/O Count: 54 digital pins and 12 analog inputs provide ample connectivity for complex projects with multiple sensors, actuators, displays, and communication modules
• DMA Support: Direct Memory Access channels allow high-speed data transfers without CPU intervention, keeping your main loop responsive during heavy data operations

Perfect For

• Advanced Audio & Music Systems: Use the dual 12-bit DACs for real-time audio synthesis, build a MIDI controller host via USB OTG, or create a multi-channel audio effects processor leveraging the 84 MHz clock speed
• General-purpose embedded-systems prototyping for makers and engineering students
• Custom firmware development for connected or standalone devices
• Teaching platforms for microcontroller-programming courses

Frequently Asked Questions

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