| Reading a QProx QT401 or QT501 touch sensor by Nicholas Zambetti <http://www.zambetti.com> Demostrates how to read the sensor and print to serial port Created 6 February 2006 Revised 30 August 2007 |

    // Reading a QProx QT401 or QT501 touch sensor
    // by Nicholas Zambetti <http://www.zambetti.com>

    #include <QSlide.h>

    /* create a new QSlide instance
       pin 2: data ready   (drdy)
       pin 3: data in      (sdi)
       pin 4: slave select (ss)
       pin 5: clock        (sclk)
       pin 6: data out     (sdo)
       pin 7: detect       (detect)
       pin 8: proximity    (prox)
    */
    QSlide slider = QSlide(2, 3, 4, 5, 6, 7, 8);

    void setup()
    {
      Serial.begin(9600);      // begin serial communication at 9600bps
    }

    void loop()
    {
      if(slider.isTouching())  // if someone is touching the slider
      {
        int x = slider.read(); // read the slider as an integer
        Serial.print(x);       // print via serial port
      }
    }