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The MPR121 IC is a nice way to build simple capacitive touch interfaces, and now it's even easier to incorporate the Chip into your Arduino projects with the Touch Shield.
The Touch Shield features 12 capacitive touch pads for input. With this shield you can have a total of 12 touch sensitive buttons. An on-board logic level converter allows it to work with 5V and 3.3V Arduino boards. Simply solder the headers and stack it on top of your Arduino for a convenient input device.
Further Elecfreaks has included a touch slider on the board which you can use to control Volume/Fast Forward/Brightness or whatever idea you might come up with.
Features:
- 1.71 V to 3.6 V supply operation
- 29 μA supply current at 16ms sampling interval period
- 3 μA Stop mode current
- 12 capacitance sensing inputs
- I2C interface with Interrupt output
- Size: 59 x 53.5mm
Documents:
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