// 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 
  } 
}