gistfile1.java

/* 
code by Łukasz Wieczorek : http://hellowoo.com
feel free to modify code, just give me some credz
and keep this message in tact
kloveyou.
*/

int IRpin = 3,
    rawDataz,
    values[4],
    count,
    average;
 
void setup()
{
  Serial.begin(9600);
  pinMode(IRpin, INPUT);
}
 
void loop()
{
  // only count every 4 values
  if(count == 4){
    count = 0;
    // here we get the average to smooth out the line a little
    average = (values[0]+values[1]+values[3]+values[4])/4; 
    // send a headerish thing so we know we are 
    // getting the correct message when processing boots up
    Serial.print("handSensor,");
    Serial.println(average, DEC);
  }
  values[count] = analogRead(IRpin);
  delay(70);
  count++;
}