The I2C Touch Sensor is based on FreeScale MPR121, to feel the touch or proximity of human being fingers
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The I2C address of this sensor is fixed to 0x5A and it can not be changed. If you want to an address changeable I2C touch sensor, please kindly check Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121).
The I2C Touch Sensor is based on FreeScale MPR121, to feel the touch or proximity of human being fingers. This sensor include 2 parts: one Touch Sensor controller, and 4 finger feelers. Insert the connectors of feelers into base of Sensor controller, you can begin your touch controlling.
MPR121: The MPR121 is a capacitive touch sensor controller,features internal intelligence, 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.