XIIO is a touch plate keyboard based around the MPR121 capacitive touch sensor controller. It’s tuning and output is quantised to semitones. The module has no pressure output but it’s equipped with two auxiliary switches, which can bring some additional movement to your composition. XIIO can save 15 presets, which includes note layout and all the parameters under settings. Other features: glide, octave plates, arpeggiator.
panel + PCB: €35 (+ shipping)