Android Accelerometer controlled bot via WebSockets. For more info visit : http://psbots.blogspot.in/2014/01/open-web-and-open-hardware-android.html

accbot.js

var webSocket = require('ws'),
    ws = new webSocket('ws://10.0.0.3:9000/ws'),
    five = require('johnny-five'),
    board = new five.Board();

board.on("ready", function() {
  var xspeed, turnspeed, motors;

  var i1=new five.Pin(8),
    i2=new five.Pin(10),
    //ea=new five.Pin(9),
    i3=new five.Pin(5),
    i4=new five.Pin(7);
    //eb=new five.Pin(6);

  xspeed = 255;
  turnspeed = 100;

  motors = {
    a: new five.Motor(9),
    b: new five.Motor(6)
  };

  function drive(dir) {
      if (dir === "space") {
        motors.a.stop(),motors.b.stop();
      }
      if (dir === "right") {
        i3.low(),i4.high(),i1.high(),i2.low();
        motors.a.start(turnspeed),motors.b.start(turnspeed);
      }
      if (dir === "left") {
        i4.low(),i3.high(),i1.low(),i2.high();
        motors.a.start(turnspeed),motors.b.start(turnspeed);
      }
      if (dir === "up") {
        i3.low(),i4.high(),i1.low(),i2.high();
        motors.a.start(xspeed),motors.b.start(xspeed);
      }
      if (dir === "down") {
        i3.high(),i4.low(),i1.high(),i2.low();
        motors.a.start(xspeed),motors.b.start(xspeed);
      }
    }

   ws.on('message', function(data) {
        sensor = data.split(" "); 
        if(sensor[3]>3.0)
        	drive("right");
        else if(sensor[3]<-3.0)
        	drive("left");
        else if(sensor[4]<-3.0)
        	drive("up");
        else if(sensor[4]>3.0)
        	drive("down");
        else
        	drive("space");
    });
});