Yay - everything works! After several hours of soldering work - the SMD ICs are already hardcore - and the step-by-step commissioning - not without obstacles - the device is finally finished.
What a great project! Thanks to everyone - especially TK, of course - who helped develop this project and drove it forward over many years. Many thanks also to Peter for his quick help and without whose detailed video instructions an assembly would probably not be possible. midiphy MatriX would still be nice, but unfortunately there is not enough space at the moment, but one day…
