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This example is for Wiring version 0024+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.

Reading a QProx QT401 or QT501 touch sensor by Nicholas Zambetti
Demostrates how to read the sensor and print to serial port

    #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
      }
    }