Stepper Splitter Box - Dual Stepper Z Axis

This is a splitter box to split the stepper drive output to a dual stepper system. Steppers can be connected either in parallel, or the preferred serial connection (as I show in my build). This uses common JST-HX vertical pc mount connectors. This is based on the cable method described in Instructable [https://www.instructables.com/id/Wiring-Your-Z-Stepper-Motors-in-Series/], except substituting female connectors, making a cleaner installation.

I used a piece of standard perf board I had l