here's where you'll find all the documentation for the MIDIbit, including the user manual, quickstart guides, midi implementation chart and firmware downloads. scroll down to the relevant section and click on a link to start your download.
MIDIbit firmware file - 08-12-2014 - MIDIbit_08-12-14.bin
MIDIbit user manual - 28-11-2014 - MIDIbit_manual.pdf
MIDIbit quickstart guide - 28-11-2014 - MIDIbit_quickstart.pdf
MIDIbit midi implementation chart - 28-11-2014 - MIDIbit_MIC.pdf