Interactive Installation

import processing.serial.*;
EZIO ezio;

void setup()
{
   println(Serial.list()); 
   ezio = new EZIO (this,"/dev/ttyUSB0");
   size(600,600);
}

void draw ()
{

   float a,b;
   float scaling;
   
  a = float (ezio.a2d(3));
  

  // highest value right now is 140
  // want 255
  scaling = 255.0/140.0;
  b = a * scaling;
  // b= 255-b; do this to reverse it
  println (a + " " + b);
  background(b);
}