// basically turns your Arduino into an audio modem. Docs at bottom.

​

// Test it even without an Arduino/sensor with this recorded audio:

// https://youtube.com/watch?v=GtJW1Dlt3cg

​

var connection;

​

function setup() { 

  createCanvas(800, 800);

  noStroke();

  fill('#ff00aa');

​

  connection = receiveSensorData(handleData);

}

​

function handleData(data, connection) {

​

  console.log(data); // output the values to log

  // data[0] is the 1st value, data[1] 2nd, etc.

​

  // draw stuff! Browse http://p5js.org/reference/

  background('#ddd');

  ellipse(100, 200, data[0]+10, data[0]+10);

​

  // connection.send('hello world'); // send data back...

​

}

​

function draw() {

  // if (connection()) connection().send('hello world'); // send data back...

}

​

// https://webjack.io - test your audio setup and learn more!

//

// Use with https://publiclab.org/simple-air-sensor if it has a WebJack plug

//

// To use a sensor, load this sketch onto an Arduino: 

// https://create.arduino.cc/editor/jywarren/023158d8-be51-4c78-99ff-36c63126b554/preview

// WebJack will output audio from pin 3 + ground. Use speaker + microphone, or an audio cable.

// Note: WebJack library has been added to index.html

// 

// https://github.com/jywarren/p5js-webjack (docs)

//