Airtouchs is a polyphonic capacitive Midi USB keyboard.
Current hardware version 0.96.
AIRTOUCHS is a capacitive programable, opensource, hackable keyboard.
You can connect it to the computer and play it polyphonically. It´s plug and play, so no need to install drivers.
It has 2 octaves plus octave transport, 8 potentiometers, and 8 programable buttons that work as pages between other functions, so you can have 3 pages of 8 pots which are 24 pots in total to control your synth.
You can get PCBs, kits and assembled units in my store:
https://www.tindie.com/products/jc2046/airtouchs-midi-keyboard/