spin-wheels.js

var five = require("johnny-five"),
  board, servo;

board = new five.Board();

board.on("ready", function() {
  servos = {
    acceleration: new five.Servo({
      pin: 9,
      range: [0, 180], // Default: 0-180
      type: "standard", // Default: "standard". Use "continuous" for continuous rotation servos
      startAt: 90, // if you would like the servo to immediately move to a degree
      center: false // overrides startAt if true and moves the servo to the center of the range
    }),
    steering: new five.Servo({
      pin: 10, 
      range: [40, 100], 
      type: "standard", 
      startAt: 75, 
      center: true, 
    })
  };

  acceleration = servos.acceleration;
  steering = servos.steering;

  // Inject the `servo` hardware into
  // the Repl instance's context;
  // allows direct command line access
  board.repl.inject({
    s: servos
  });

});