TTP226.ino

/*arduino      touch 8
   VCC-----------5V
   GND-----------GND
   OUT1-----------2
   OUT2-----------3
   OUT3-----------4
   OUT4-----------5
   OUT5-----------6
   OUT6-----------7
   OUT7-----------8
   OUT8-----------9
  */

void setup() 
{
  pinMode(2,INPUT);
  pinMode(3,INPUT);
  pinMode(4,INPUT);
  pinMode(5,INPUT);
  pinMode(6,INPUT);
  pinMode(7,INPUT);
  pinMode(8,INPUT);
  Serial.begin(9600); 
  // put your setup code here, to run once:
}

void loop() 
{
  unsigned char i,j;
  for(i=2;i<10;i++)
  {
  if(digitalRead(i))
  {
    delay(80);
    if(digitalRead(i))
    {
      Serial.print(i-1);
    }
    while(digitalRead(i));
  }
  }
  
  // put your main code here, to run repeatedly:
}