In this section:
Overview
Best Place to start.
RepRapFirmware
Documentation on how to use and update RepRapfirmware
Machine_configuration
Documentation on configurations for different machine types
Connecting_hardware
how to connect and setup the various motors, sensors, heater etc that can be connected to the Duet3D controllers
Tuning
Tuning the RepRapFirmware configuration
Reference
GCode Reference and some other resources
Troubleshooting
Some more common issues and how to identify and potentially resolve them.