Grove Touch Sensor
The I2C Touch Sensor is based on FreeScale MPR121,
Hello World
Library
Import libraryMPR121
A device driver for the Freescale MPR121 capactive touch IC. Not optimized for any particular system, just a starting point to get the chip up in running in no time. Changes to registers init() method will tailor the library for end system use.
Last commit 22 Oct 2014 by 
Sam Grove
Datasheet
http://www.seeedstudio.com/wiki/Grove_-_I2C_Touch_SensorNotes
MPR121
The MPR121 is a capacitive touch sensor controller,features internal intelligence, include an hardware configurable I2C address, an expended filtering system with debounce, and completely independent electrodes with auto-configuration built in .
Touch Sensor feeler
The Touch Sensor feelers, which was 4 included in Touch Sensor module,can be set in any place you like, to feel your finger's touch or proximity. Notice it must not get in touch with any conductive material.
Kit included:
- Grove - I2C Touch Sensor X1
- Touch Feeler X4
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