#include <MPR121.h>
#include <Wire.h>

void setup() {
  Serial.begin(9600);
  Wire.begin();
  MPR121.begin(0x5A));

  MPR121.setInterruptPin(2);
  MPR121.setTouchThreshold(5);
  MPR121.setReleaseThreshold(5);

  delay(1000);
}

void loop() {
  if (MPR121.touchStatusChanged()) {
    MPR121.updateTouchData();
    if (MPR121.isNewTouch(0)) {
      Serial.println("Touch pin 0");
    } else if (MPR121.isNewTouch(11)) {
      Serial.println("Touch pin 11");
    } else if (MPR121.isNewRelease(0)) {
      Serial.println("Release pin 0");
    } else if (MPR121.isNewRelease(11)) {
      Serial.println("Release pin 11");
    }
  }
}