Interruttore capacitativo campanello

#include <CapacitiveSensor.h>

int led=13;

CapacitiveSensor   cs_4_2 = CapacitiveSensor(4,2);

void setup()                    

{

  pinMode(led, OUTPUT);

  cs_4_2.set_CS_AutocaL_Millis(0xFFFFFFFF);     // turn off autocalibrate on channel 1 - just as an example

}

void loop()                    

{

    long total1 =  cs_4_2.capacitiveSensor(30);

if (total1>100)

{

digitalWrite(led,HIGH);

}else

{digitalWrite(led,LOW);

}

    delay(10);

}