//Arduino Sensor Value
//the "void serialEvent" is from https://discourse.processing.org/t/use-the-arduino-processing-interface/9409/3
//Mr. H.

import processing.serial.*;      
Serial myPort;          

int sensorValue = 0;

void setup(){
  size(600,600);
  printArray(Serial.list());
  myPort = new Serial(this, Serial.list()[3], 9600);
  myPort.bufferUntil('\n');          
}

void draw(){
  background(255);
  fill(0);
  textSize(28);
  textAlign(CENTER);
  text("Sensor Value = "+sensorValue, width/2, height/2);
}

// serialEvent  method is run automatically by the Processing applet
void serialEvent(Serial myPort) {                     // read the serial buffer:
  String myString = myPort.readStringUntil('\n');
  myString = trim(myString);                          
  println(myString);
  int values[] = int(split(myString, ','));                 
  if (values.length > 0) {
    sensorValue = values[0];
  }
}