Based on the Ucapps Sequencer Project.
Ongoing for almost one year but it’s now fully operational. Only thing missing is the housing to be finished and a frontpanel to be cut.

Midibox Sequencer yet to be finished
All that wiring is quite a pain, if I would ever build such a thing again, I would probably design my own PCB, one for the UI and one for the uP.

Midibox sequencer sideview

Wow this thing looks really amazing! You are a genius man!!!!!
L.F.