SparkFun Touch Shield (MPR121QR2)
Arduino shield providing 12-channel capacitive touch sensing via the NXP MPR121 controller over I2C. Touch electrodes connect via included snap connectors.
Pinout
- 3.3VType · Power
- GNDType · Ground
- SDAType · I2C
- SCLType · I2C
- D2INTType · GPIO, Control
- ELE0-ELE8 (onboard pads)Type · Signal
- ELE9, ELE10, ELE11Type · Signal
| Pin | Type |
|---|---|
| 3.3V | Power |
| GND | Ground |
| SDA | I2C |
| SCL | I2C |
| D2INT | GPIO, Control |
| ELE0-ELE8 (onboard pads) | Signal |
| ELE9, ELE10, ELE11 | Signal |
Pin details
7 connections- 3.3VPower
- GNDGround
- SDAI2C
- SCLI2C
- D2INTGPIO, Control
- ELE0-ELE8 (onboard pads)Signal
- ELE9, ELE10, ELE11Signal
Start wiring
Shield
Confirm the data interface matches your host board.
Module pins: 3.3V, GND, SDA, SCL, ELE0-ELE8 (onboard pads), ELE9, ELE10, ELE11. Schematik maps them to your board in the app.
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