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This is a custom 3D Printer Driver Electronics board for use with an Arduino Due in conjuction with the Marlin Firmware. This circuit board is currently under development.

The following are a set of requirements that the end PCB will attempt to achieve. Some of these requirements may become stretch goals for a Version 2 of the circuit boarddepending upon the complexity of the development and the cost of the additional requirements.

The following are the requirements for the Driver Electronics:

• Support for X, Y and Z Axis Control.
• Support for Extruder Control.
• Connectivity via USB (Fulfilled by Arduino Due).
• Wired Internet Connectivity for the upload of GCode files to the 3D Printer.
• Wireless Internet Connectivity for the upload of GCode files to the 3D Printer.
• Ability to connect to an Alphanumeric LCD Display for a local readout of 3D Printer status.
• Ability to connect to an SD Card for local storage of GCode files.

• Ability to drive a Dual Z Axis Stepper Motor Mechanism.
• Ability to drive a Dual Extruder System.
• Ability to drive a Multi Filament Extruder System.
• Single ended homing on all axes.
• Support for Inductive and Capacitive probes for use with Auto Bed Levelling.
• Servo connection support for mechanical Auto Bed Levelling probes.

• PID Control Capable for Hot End.
• PID Control Capable for Heated Bed.
• Support for 3 Temperature Probes (Thermisters or Thermocouples).
• PWM Control for 4 Fans.

Please don't hesitate to make suggestions for additional functionality of changes to this specification. Progress on these requirements will be tracked in this README as and when they are addedto the circuit board. When the functionality is verified working it will be labelled asVERIFIED FUNCTIONAL.

Current Number of Developers: 1

• Sam Maxwell (TehMaxwell) ==>https://github.com/TehMaxwell