[James Eckert] got his hands on a Freescale MPR121 capacitive touch sensor. The chip in question ... Between making your own high-voltage capacitors with it, and making more complicated pressure ...

Capacitive sensing ... parts to replicate a whole lot of touch interfaces – buttons can easily be made into a smallish keyboard, and the radial touch sensor will emulate the ‘wheel ...

Using multi-material 3D printing and computational tools, this work demonstrates an approach to generate and fabricate conductive traces within objects to support capacitive touch sensing. Touching ...