Video series: https://www.youtube.com/playlist?list=PL1WGC6yQh6iIVykta8OX8R-CPlR6SFzXf
3D print files: https://www.thingiverse.com/thing:4840651
Stepper driver board for a EDM Z-Axis in Kicad
PCB Layout
Using a Current controlled lab power supply as trigger for retraction
Using a Shunt to trigger Retraction
Shunt + hf Pulsed Source
