Capacitive Touch Kit For Arduino Now, it is time to add a more fancy interactive way to your project. This DFRobot touch kit comes with three types touch sensors. An iPod style wheel touch, a keypad touch that supports backlit, and a grid touchpad which can recognize something unique.
This kit utilizes the not very “latest” capacitive touch technology which makes the sensing very sensitive.
The kit is designed to be compatible with Arduino.
Get Started with Capacitive Touch Kit Tutorial
The kit brings 3 touchpads:
- Numeric keypad
- Wheel pad
- Touch pad
Connector board and rainbow cable. The kit only allow the use of one pad at a time connected to the Arduino. To start you will need the touch kit library, available here. Download and install it on your Arduino Library folder.
Schematic Capacitive Touch Kit For Arduino
Just follow one of the schematic, to connect them in your arduino board.
The communication is done trough I2C (A4 and A5 for arduino UNO) and an adicional pin D2 (I did not confirm this but I think that this library need an interruption pin, so I do not know about compatibility with other boards)
Just do to the example folder of your Arduino IDE locate the MPR121 folder and load the example code according to the keypad that you have connected.
Or upload the ones in the attachment files.
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