text: var five = require("johnny-five");
  var board = new five.Board();
  
  board.on("ready", function() {
    var servo = new five.Servo(11);
    var rotary = new five.Sensor("A0");
  
    // scale accepts a single array or two arguments
    rotary.scale(0, 180).on("change", function() {
      servo.to(this.value);
    });
  });
  