Hi,
not quite sure where to put this, however, I though it was worth sharing. I am close to finishing a DIY controller for my HX stomp based on an Arduino nano. Building it is easy with some drilling and soldering skills, changing Midi commands (and sequences) according to your preferences is easy. It cant do all the things a morningstar MC6 can do, but it comes with a 4-line Display and 6 switches, so it may look similar. All you need is a Hammond 1590xx enclosure, an Arduino Nano,