This is a brief tutorial on how to break a stepper motor output into two Nema 17 motors ports. This does not explain how to tune stepper board for using divided stepper outputs.

Required Software:
Marlin firmware (version 1.1.8 or higher) (http://marlinfw.org)
Arduino IDE (version 1.8.5 or higher) (https://www.arduino.cc/en/Main/Software)
Pronterface (http://www.pronterface.com/)

Require Hardware:
2 Nema 17 stepper motors
1 MKS Gen L v1.0 motherboard
1 USB serial cable
1 Motor Parallel Module kit
( https://www.ebay.com/itm/3DPrinterP... )