After hundreds of sold cores over the last nearly ten years, our supplier abandoned DIY-quantity-level supply of the MIDIbox microcontroller core PCB.
That’s why DIYCore was born :). It is compatible, more modern (USB-C), uses the same microcontroller and pinout, is smaller, easier to install (no more crystal snipping and desoldering!) and is less expensive.
All DIY projects (MIDIbox SEQ v4+, midiphy MatriX, midiphy LoopA v2) have been tested to run with this core.
After a long wait time, this allows us to finally continue to provide a microcontroller for MBSEQ v4+, LoopA v2, MatriX and generic wCore based MIDIbox applications:
Enjoy building! 
Best regards, Peter
