Wiring Diagrams and Details - oldnslow/Core-R-Theta-4-Axis-Printer-oldnslow-FreeCAD-Variations GitHub Wiki

Mainboard Setup

Step 1
Peruse the Team Gloomy General Information for the Fly E3 Pro v3

Mainboard Pinout - Fly E3 Pro v3

Team Gloomy Fly-E3-PROv3 Annotated

Pin Names in Firmware

Fly E3 Pro v3 Pin Names in Firmware