Am building a MB64. Have assembled most components and am now testing.
lcd connected, and mios and application has been uploaded. faders and potentiometers behave as they should.
The buttons on the other hand are not sending anything, and MIOS studio is not showing anything. I have only connected a handful and wanted to check the menu working. none of them do anything except for the menu/exec button, which send some rather random message?
…If the first input pin of the first shift register (74HC165) triggers all 128 Notes at once, there is propably a problem with the Shift or Register Clock line (SC/RC signal)…