[James Eckert] got his hands on a Freescale MPR121 capacitive touch sensor. The chip in question speaks I2C and senses up to twelve simultaneous capacitive sense electrodes; break-out boards are ...

Devices in the 4000T family have hardware and software to implement: enhanced capacitive touch sensing, inductive touch sensing and capacitive ... a nominal touch many millimetres from the metal ...

Capacitive sensing libraries for the Arduino ... and the radial touch sensor will emulate the ‘wheel’ interface on an iPod. Very cool stuff, and we can’t wait to see these in a few more ...

Hybrid optical scanners are here to stay. Another common fingerprint scanner type used today is the capacitive scanner. While these types of sensors were once common on the back of smartphones ...