import processing.serial.*;
import cc.arduino.*;
Arduino arduino;
int s;

void setup() {
  size(800, 800);
  println(Arduino.list());
  arduino = new Arduino(this, Arduino.list()[0], 57600);
  colorMode(HSB);
  smooth();
}
void draw() {
  background(255);
  stroke(0);
  fill(100);
  s = arduino.analogRead(0);
  s = s / 2;
  println(s);
  ellipse(400,400,s,s);
}