This mainboard is designed for DreamMaker Overlord 3D Printer. As the control unit of the whole 3D printer, the mainboard is able to analyze sensor data automatically and control the corresponding actuator to complete the whole printing process. The Board is based on Arduino Mega2560 which has rich resource for GPIO interface and is suitable for all kinds of structure and motion control. In addition, the mainboard can be used for DIY 3D printers. To make the secondary development easier, schematic and interface of this baord has been released.


  • Operating voltage: 5V
  • Input voltage: 24V/9.2A
  • MCU: ATMega2560
  • XYZ motion axis stepper motor specifications:
  • Rated voltage: 4.6V
  • Current rating: 1.1A
  • The step Angle: 1.8°
  • Extrusion agency stepper motor specifications:
    • Rated voltage: 3.6V
    • Current rating: 2.0A
    • The step Angle: 1.8°
  • Heater specifications
    • Rated voltage: 24V
    • Rated power: 60W
  • High temperature sensor PT100: - 50 °C ~ 350 °C



  • DreamMaker Overlord 3D Printer Mainboard V1.0 x1


Brand DFRobot

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