Demonstration of PWM on A0

led-a0.js

var five = require("johnny-five"),
  Spark = require("../lib/spark"),
  board;


// Create Johnny-Five board connected via Spark
board = new five.Board({
  io: new Spark({
    token: process.env.SPARK_TOKEN,
    deviceId: process.env.SPARK_DEVICE_ID
  })
});

board.on("ready", function() {
  var led = new five.Led(process.argv[2] || "A0");

  this.repl.inject({
    led: led
  });

  led.fadeIn();

  this.wait(3000,function(){
    led.fadeOut();
  });

});