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, an LCD display, a midi Jack, a DC power jack, 6 momentary switches, and a few resistors. It's actually so simple, I am thinking of not even making a Circuit board for it. Overall costs will be around 50 €. I would provide the software for free, once it's done. If you would like to donate what it's worth for you, I would be thankful ;-)
Here is a picture of two Banks that are already working:
What it can do:
Button Action: Single Press, Long Press
Toggle Values of Blocks via Midi CC ("Toggle Solo Boost" in my example)
Activate/Deactivate Blocks via Midi CC
Change Presets (via Midi PC)
Activate/deactivate the Tuner
Change Snapshots
Change the Footswitch Mode on the HX Stomp (Snapshot Mode, Preset Scroll mode, Preset mode, Stomp Mode)
Downsides:
No webinterface - to change midi, you will have to change the arduino code (it's actually easier than it sounds)
No Midi in, so it's a one-way-street from the controller to the HX or Helix or whatever device you are using
Anybody interested?