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The Duet 2 Maestro Electronic Control Board

The Power of Duet

The latest generation open-source 3D Printer electronics board, co-designed and produced by the Duet3D & M3D team. Features highlights include open-source RepRapFirmware, 120MHZ Arduino ARM processor, and Trinamic “Silent” motor drivers with unprecedented 256 microstep resolution.

The product will arrive in an ESD bag, with a microSD card included, but no other components in packaging. Connectors are not included.


Open Source Note:


A portion of your purchase goes directly back to the developers of the Duet3D boards, and support for the development of RepRapFirmware (RRF), which has the longest legacy of any open 3D printer control board. RRF was authored by Adrian Bowyer, who started the RepRap project in 2004 that led to almost all the consumer 3D printers we have access to today. The main design principle behind RRF is that 3D printers are configured dynamically by G-codes, rather than by modifying source code directly.


Duet 2 Maestro Features:

Input Voltage: 12V to 28V

Voltage Monitoring: Monitors Vin

Power-Loss Recovery: Supported

Processor: 120MHZ Arm Cortex M4 (ATSAM4S8C)

Motor Drivers: 5 X Trinamic TMC2224, providing up to 1.6 A current per motor, and 256 microstepping.

Endstop Support: 5 X (can be with open source filament monitoring add-ons)

Heated Bed Support: Up to 18 A Current

Temp Sensor Support: 4 X capable of thermistor or direct PT1000 support.

Fan Support: 3 X Voltage controlled fans, 1 X always-on. Selectable 5V/Vinput.

Servo Support: 1 X

Additional Motor Support: 2 X TMC stepsticks may be added. 

Ethernet Support: 100mbps Wired Ethernet

WebInterface: Included

LCD/TouchScreen Support: Compatible with PaneldDUE, in future firmware update.

Compatible Firmware: RepRapFirmware, DC42 Forks

Learn More

*ALL SALES FINAL, NO WARRANTY. Every Duet Board that goes out is fully tested and we will replace it if it arrives DOA or with a manufacturer's defect, however due to the extreme sensitivity of this board, we cannot cover replacements if the board gets damaged due to user error. Please be very careful when installing this board. 

Duet 2 Maestro Add Ons

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Duet 2 Maestro Breakout Board

An expansion board for the Duet 2 Maestro - this allows your printer to control 4 extruder motors instead of 2. 


*ALL SALES FINAL, NO WARRANTY. Every Duet Board that goes out is fully tested and we will replace it if it arrives DOA or with a manufacturer's defect, however due to the extreme sensitivity of this board, we can not cover replacements if the board gets damaged due to user error. Please be very careful when installing this board.