cylon-leap-arduino

var Cylon = require('cylon');
 
var hand;
var roll = 0;       // side:side goes up:down
var pitch = 0;  		// front:back goes up:down
var now;
 
Cylon.robot({
  connections: [{ name: 'leapmotion', adaptor: 'leapmotion', port: '127.0.0.1:6437'},
    {name: 'arduino', adaptor: 'firmata', port: '/dev/tty.usbmodem1411'}],
  devices: [{ name: 'leapmotion', driver: 'leapmotion', connection: 'leapmotion'},
    // {name: 'led', driver: 'led', pin: 13, connection: 'arduino'},
    {name: 'servo1', driver: 'servo', pin: 9, connection: 'arduino'},
    {name: 'servo2', driver: 'servo', pin: 10, connection: 'arduino'}],
  work: function(my) {
    var time = Date.now();
 
    my.leapmotion.on('frame', function(frame) {
      // Limit to 100hz
      now = Date.now();
      if (now >= time + 10) {
        time = now;
        if (frame.hands.length > 0) {
          hand = frame.hands[0];
          roll = hand.roll() * (180/Math.PI);
          roll = Math.floor(roll + 90);
          pitch = hand.pitch() * (180/Math.PI);
          pitch = Math.floor(pitch + 90);
   
          //my.led.turnOn();
          if (roll > -1 && roll < 181) { my.servo1.angle(roll); }
          if (pitch > -1 && pitch < 181) { my.servo2.angle(pitch); }
        } else {
          // my.led.turnOff();
          my.servo1.angle(90);
          my.servo2.angle(90);
        } 
      }
    });
  }
}).start();